WO2024109151A1 - Systèmes et procédés d'indication de contrôle de puissance pour nœuds de réseau - Google Patents

Systèmes et procédés d'indication de contrôle de puissance pour nœuds de réseau Download PDF

Info

Publication number
WO2024109151A1
WO2024109151A1 PCT/CN2023/110431 CN2023110431W WO2024109151A1 WO 2024109151 A1 WO2024109151 A1 WO 2024109151A1 CN 2023110431 W CN2023110431 W CN 2023110431W WO 2024109151 A1 WO2024109151 A1 WO 2024109151A1
Authority
WO
WIPO (PCT)
Prior art keywords
power
indication
power indication
link
fields
Prior art date
Application number
PCT/CN2023/110431
Other languages
English (en)
Inventor
Ziyang Li
Nan Zhang
Wei Cao
Hanqing Xu
Shuang ZHENG
Original Assignee
Zte Corporation
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 Zte Corporation filed Critical Zte Corporation
Priority to PCT/CN2023/110431 priority Critical patent/WO2024109151A1/fr
Publication of WO2024109151A1 publication Critical patent/WO2024109151A1/fr

Links

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
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters

Definitions

  • the disclosure relates generally to wireless communications, including but not limited to systems and methods for power control indication for network nodes.
  • Coverage is a fundamental aspect of cellular network deployments.
  • Mobile operators rely on different types of network nodes to offer blanket coverage in their deployments.
  • new types of network nodes have been considered to increase the flexibility of mobile operators for their network deployments.
  • IAB integrated access and backhaul
  • Another type of network node is the RF repeater which simply amplify-and-forward any signal that they receive. RF repeaters have seen a wide range of deployments in 2G, 3G and 4G to supplement the coverage provided by regular full-stack cells.
  • example embodiments disclosed herein are directed to solving the issues relating to one or more of the problems presented in the prior art, as well as providing additional features that will become readily apparent by reference to the following detailed description when taken in conjunction with the accompany drawings.
  • example systems, methods, devices and computer program products are disclosed herein. It is understood, however, that these embodiments are presented by way of example and are not limiting, and it will be apparent to those of ordinary skill in the art who read the present disclosure that various modifications to the disclosed embodiments can be made while remaining within the scope of this disclosure.
  • At least one aspect is directed to a system, method, apparatus, or a computer-readable medium.
  • a network node e.g., smart node (SN) , network-controlled repeater (NCR) , etc.
  • a network node that supports controllable forwarding of wireless signals can receive/obtain/acquire a power indication, such as from at least one of a wireless communication device (e.g., UE) and/or a wireless communication node (e.g., base station (BS) , gNB, or transmission and reception point (TRP) ) .
  • a wireless communication device e.g., UE
  • BS base station
  • TRP transmission and reception point
  • the power indication can comprise/include at least one of: a first power indication to determine a first transmission power for transmitting at least one signal via a first forwarding link from the network node to a wireless communication node; and/or a second power indication to determine a second transmission power for transmitting at least one signal via a second forwarding link from the network node to a wireless communication device.
  • the network node when the transmission power is for concurrent transmission via a first forwarding link from the network node to a wireless communication node, and a first communication link or control link from the network node to a wireless communication node, the network node can determine at least one of the transmission power and/or an amplifying gain of the network node, according to at least one of: a power related parameter in the power indication, an input power of at least one signal received at the network node, an uplink maximum total power, and/or a link power of the first communication link and/or control link.
  • the network node can receive the power indication via at least one of: a radio resource control (RRC) signaling, a medium access control control element (MAC CE) signaling, a downlink control information (DCI) signaling, a sidelink control information (SCI) signaling via a physical sidelink control channel (PSCCH) , and/or sidelink data via a physical sidelink shared channel (PSSCH) .
  • RRC radio resource control
  • MAC CE medium access control control element
  • DCI downlink control information
  • SCI sidelink control information
  • PSCCH physical sidelink control channel
  • PSSCH physical sidelink shared channel
  • the power indication can comprise at least one of: a power related parameter or power indication field; frequency information or an indication of a frequency domain resource; an indication of a time domain resource; component information of the network node; link information of the network node; and/or index information of the network node.
  • the power indication can comprise at least one of: a power indication for each of at least one forwarding unit (FU) of the network node; a power indication for each of at least one link of the network node; a power indication for each of at least one frequency band of the network node; a power indication for each of at least one group of the network node; and/or a power indication for each of at least one component of the network node.
  • the power related parameter or power indication field can be at least one of: included in a downlink control information (DCI) signaling, and/or including a first power indication or a second power indication, which may be distinguishable from each other using the link information.
  • DCI downlink control information
  • the power related parameter or power indication field can comprise or correspond to at least one beam index field in a downlink control information (DCI) signaling. In some implementations, the power related parameter or power indication field can comprise or correspond to at least one time domain resource field in a downlink control information (DCI) signaling.
  • DCI downlink control information
  • the power related parameter or power indication field can comprise an indication of at least one of: an amplifying gain, a specific transmission power, a power offset, and/or a power factor.
  • the frequency information can comprise at least one of: a carrier index, a band index, a sub-band index, a bandwidth part (BWP) index, a frequency range index, a start resource block (RB) index, an RB number, a resource element (RE) number, a frequency offset, and/or a reference point.
  • the frequency information may be indicated by a frequency resource of at least one link.
  • the component information can comprise an indication of at least one of: a component number, a component index, a priority flag of a component, and/or a power factor of the component, the component can comprise a panel, a transmission-reception point (TRP) , a beam, a reconfiguration intelligent surface (RIS) , and/or a RIS component; and/or the power indication may be applied to each component in the determining of the transmission power.
  • TRP transmission-reception point
  • RIS reconfiguration intelligent surface
  • power allocation among a plurality of components of the network node may be determined by at least one of: a priority flag of a component, a power factor of the component, and/or a total power of the network node.
  • at least one of: the power indication field may be associated with or applied to a component of the network node; and/or the component may be indicated in a dedicated field or determined using the power indication.
  • the power indication may be associated with one or more indexes of the network node or the network node’s forwarding units (FUs) ; and/or the power indication may be applied for one or more FUs corresponding to the one or more indexes, in the determining of the transmission power.
  • FUs forwarding units
  • the network node can receive the power indication via a first DCI signaling and a second DCI signaling, wherein at least one of: the first DCI signaling can comprise DCI format 2_2, the first DCI signaling may be used to configure a power of the first forwarding link from the network node to a wireless communication node, a transmission power control (TPC) command field of the first DCI signaling can be used or repurposed to configure at least one of: a first amplifying gain, a first specific transmission power, and/or a first power offset of the power indication, the second DCI signaling can comprise DCI format 2_8, the second DCI signaling may be used to configure a power of the second forwarding link from the network node to a wireless communication device, and/or a beam index field of the second DCI signaling can be used or repurposed to configure at least one of: a second amplifying gain, a second specific transmission power, and/or a second power offset of the power indication.
  • TPC transmission power control
  • At least one of: one or more power indication fields of the power indication can correspond to a frequency domain resource field, one or more values of the one or more power indication fields may be applied on a frequency domain resource indicated by the frequency domain resource field, the frequency domain resource field can be dedicated for the one or more power indication fields, and/or the frequency domain resource field can be shared for the one or more power indication fields and one or more beam index fields.
  • at least one of: one or more power indication fields of the power indication can each be associated with an indication of a component of the network device, one or more values of the one or more power indication fields may be applied on the indication of the component, and/or the indication of the component may be in a dedicated field or determined using the one or more power indication fields.
  • one or more defined values of the power related parameter or power indication field can represent an invalid power indication.
  • the time domain resource can comprise an indication of at least one of: a start time, a pattern, a start and length indicator value (SLIV) , a time offset, a slot offset, a symbol offset, a time domain resource allocation (TDRA) index, a duty cycle, a duration, a periodicity, a type of reference signal, an index of reference signal resource, and/or a reference subcarrier spacing (SCS) ;
  • the indication can include a parameter to indicate the periodicity and the slot offset;
  • the index of reference signal resource index can comprise at least one of: a synchronization signal block (SSB) index, a channel state information reference signal (CSI-RS) index, a sounding reference signal (SRS) index, and/or a preamble index.
  • SSB synchronization signal block
  • CSI-RS channel state information reference signal
  • SRS sounding reference signal
  • the first power indication and the second power indication are indicated in one downlink control information (DCI) signaling
  • one or more power indication fields of the power indication can correspond to a frequency domain resource field
  • one or more values of the one or more power indication fields may be applied on a frequency domain resource indicated by the frequency domain resource field
  • the frequency domain resource field can be dedicated for the one or more power indication fields
  • the frequency domain resource field can be shared for the one or more power indication fields and one or more beam index fields.
  • At least one of: at least one of the one or more beam index fields can be used as one or more power indication fields to indicate at least one of: an amplifying gain, a specific transmission power, a power offset, and/or a power factor; and/or one or more time resource fields can be used as one or more power indication fields to indicate at least one of: the amplifying gain, the specific transmission power, the power offset, and/or the power factor.
  • the link information can comprise at least one of: a first forwarding link from the network node to a wireless communication node or a wireless communication device, and/or a second forwarding link from the network node to another wireless communication device.
  • the power indication may be transmitted from at least one of: a wireless communication device via a first control link to the network node; and/or a wireless communication node via a second control link to the network node.
  • At least one aspect is directed to a system, method, apparatus, or a computer-readable medium.
  • a wireless communication device e.g., UE
  • the network node can determine, according to the power indication, a transmission power of the network node.
  • the systems and methods presented herein include a novel approach for power control indication for network nodes.
  • the systems and methods presented herein discuss a novel solution for determining the power (e.g., transmission power) of a network node (e.g., SN, NCR, etc. ) , and/or the configuration, details, or content of the indication for determining or indicating the power of the SN.
  • the SN e.g., SN CU
  • the SN can receive/obtain/acquire an indication (e.g., power indication) from the BS or the UE.
  • the SN e.g., SN CU
  • the power indication can be applied/configured/set for at least one of a forwarding link from the SN to the BS (e.g., forwarding link L2) and/or a forwarding link from the SN to the UE (e.g., forwarding link L3) .
  • the power indication may be applied and the transmission power and/or amplifying gain of the forwarding link L2 can be determined by, according to, or based on at least one of the power related parameter in or from the power indication, input power, the uplink (UL) maximum total power, and/or L6 link power, etc.
  • the power indication can be transmitted/provided/signaled/sent in at least one of radio resource control (RRC) , medium access control control element (MAC CE) , and/or downlink control information (DCI) , among other types of signalings.
  • RRC radio resource control
  • MAC CE medium access control control element
  • DCI downlink control information
  • the power indication may comprise but is not limited to at least one of the following examples:
  • the granularity of the power indication can include but is not limited to at least one of the following examples:
  • One power indication field may be introduced in DCI (e.g., a certain type of DCI format, such as DCI format 2_8) .
  • This field can be used to indicate at least one of the first power indication and/or second power indication, which can be distinguished by the link information.
  • One or more of the beam index fields in DCI e.g., DCI format 2_8) can be re-interpreted as one or more of the power indication fields, for example.
  • One or more of the time domain resource fields in DCI e.g., DCI format 2_8) can be re-interpreted as one or more of the power indication fields.
  • the power-related parameter may include at least one of: amplifying gain, transmission power, power offset, and/or a power factor, etc.
  • the frequency information may include at least one of: a carrier index, a band index, a sub-band index, a bandwidth part (BWP) index, a frequency range index, a start resource block (RB) index, an RB number, an RE number, a frequency offset and/or a reference point.
  • the frequency information can be implicitly indicated or determined, e.g., the frequency resource can be implicitly determined by the frequency resource of the L6 link.
  • SN component may include at least one of a panel, a transmission and reception point (TRP) , a beam, a reconfigurable intelligent surface (RIS) , and/or a RIS component, etc.
  • the power indication may be applied per panel, per TRP, per beam, per RIS, and/or per RIS component, etc.
  • Each of the one or more power indication fields may be associated with at least one SN component indication (e.g., a panel, etc. ) .
  • One or more power indications may be applied on the indicated SN component.
  • the SN component indication can be a dedicated field or implicitly determined by the power indication fields, e.g., power indication 1 may correspond to SN component 1, power indication 2 may correspond to SN component 2, etc.
  • the indicated power indication may be associated with one or more SN indexes (e.g., SN FU index) , such that the power indication can be applied for the one or more indicated SN FUs.
  • FIG. 1 illustrates an example cellular communication network in which techniques disclosed herein may be implemented, in accordance with an embodiment of the present disclosure
  • FIG. 2 illustrates a block diagram of an example base station and a user equipment device, in accordance with some embodiments of the present disclosure
  • FIG. 3 illustrates a schematic diagram of an example network, in accordance with some embodiments of the present disclosure
  • FIG. 4 illustrates a block diagram of an example model of a network controlled repeater (NCR) , in accordance with some embodiments of the present disclosure
  • FIG. 5 illustrates a schematic diagram of transmission links between BS and SN and between SN and UE, in accordance with some embodiments of the present disclosure
  • FIG. 6 illustrates a schematic diagram of a network-controlled SN, in accordance with some embodiments of the present disclosure
  • FIG. 7 illustrates a schematic diagram of a UE-controlled SN, in accordance with some embodiments of the present disclosure
  • FIG. 8 illustrates a structure of example implementations for SN receiving power indication and determining transmission power, in accordance with some embodiments of the present disclosure.
  • FIG. 9 illustrates a flow diagram of an example method for power control indication for network nodes, in accordance with an embodiment of the present disclosure.
  • FIG. 1 illustrates an example wireless communication network, and/or system, 100 in which techniques disclosed herein may be implemented, in accordance with an embodiment of the present disclosure.
  • the wireless communication network 100 may be any wireless network, such as a cellular network or a narrowband Internet of things (NB-IoT) network, and is herein referred to as “network 100.
  • NB-IoT narrowband Internet of things
  • Such an example network 100 includes a base station 102 (hereinafter “BS 102” ; also referred to as wireless communication node) and a user equipment device 104 (hereinafter “UE 104” ; also referred to as wireless communication device) that can communicate with each other via a communication link 110 (e.g., a wireless communication channel) , and a cluster of cells 126, 130, 132, 134, 136, 138 and 140 overlaying a geographical area 101.
  • the BS 102 and UE 104 are contained within a respective geographic boundary of cell 126.
  • Each of the other cells 130, 132, 134, 136, 138 and 140 may include at least one base station operating at its allocated bandwidth to provide adequate radio coverage to its intended users.
  • the BS 102 may operate at an allocated channel transmission bandwidth to provide adequate coverage to the UE 104.
  • the BS 102 and the UE 104 may communicate via a downlink radio frame 118, and an uplink radio frame 124 respectively.
  • Each radio frame 118/124 may be further divided into sub-frames 120/127 which may include data symbols 122/128.
  • the BS 102 and UE 104 are described herein as non-limiting examples of “communication nodes, ” generally, which can practice the methods disclosed herein. Such communication nodes may be capable of wireless and/or wired communications, in accordance with various embodiments of the present solution.
  • FIG. 2 illustrates a block diagram of an example wireless communication system 200 for transmitting and receiving wireless communication signals (e.g., OFDM/OFDMA signals) in accordance with some embodiments of the present solution.
  • the system 200 may include components and elements configured to support known or conventional operating features that need not be described in detail herein.
  • system 200 can be used to communicate (e.g., transmit and receive) data symbols in a wireless communication environment such as the wireless communication environment 100 of FIG. 1, as described above.
  • the System 200 generally includes a base station 202 (hereinafter “BS 202” ) and a user equipment device 204 (hereinafter “UE 204” ) .
  • the BS 202 includes a BS (base station) transceiver module 210, a BS antenna 212, a BS processor module 214, a BS memory module 216, and a network communication module 218, each module being coupled and interconnected with one another as necessary via a data communication bus 220.
  • the UE 204 includes a UE (user equipment) transceiver module 230, a UE antenna 232, a UE memory module 234, and a UE processor module 236, each module being coupled and interconnected with one another as necessary via a data communication bus 240.
  • the BS 202 communicates with the UE 204 via a communication channel 250, which can be any wireless channel or other medium suitable for transmission of data as described herein.
  • system 200 may further include any number of modules other than the modules shown in FIG. 2.
  • modules other than the modules shown in FIG. 2.
  • the various illustrative blocks, modules, circuits, and processing logic described in connection with the embodiments disclosed herein may be implemented in hardware, computer-readable software, firmware, or any practical combination thereof.
  • various illustrative components, blocks, modules, circuits, and steps are described generally in terms of their functionality. Whether such functionality is implemented as hardware, firmware, or software can depend upon the particular application and design constraints imposed on the overall system. Those familiar with the concepts described herein may implement such functionality in a suitable manner for each particular application, but such implementation decisions should not be interpreted as limiting the scope of the present disclosure.
  • the UE transceiver 230 may be referred to herein as an “uplink” transceiver 230 that includes a radio frequency (RF) transmitter and a RF receiver each comprising circuitry that is coupled to the antenna 232.
  • a duplex switch (not shown) may alternatively couple the uplink transmitter or receiver to the uplink antenna in time duplex fashion.
  • the BS transceiver 210 may be referred to herein as a “downlink” transceiver 210 that includes a RF transmitter and a RF receiver each comprising circuity that is coupled to the antenna 212.
  • a downlink duplex switch may alternatively couple the downlink transmitter or receiver to the downlink antenna 212 in time duplex fashion.
  • the operations of the two transceiver modules 210 and 230 may be coordinated in time such that the uplink receiver circuitry is coupled to the uplink antenna 232 for reception of transmissions over the wireless transmission link 250 at the same time that the downlink transmitter is coupled to the downlink antenna 212. Conversely, the operations of the two transceivers 210 and 230 may be coordinated in time such that the downlink receiver is coupled to the downlink antenna 212 for reception of transmissions over the wireless transmission link 250 at the same time that the uplink transmitter is coupled to the uplink antenna 232. In some embodiments, there is close time synchronization with a minimal guard time between changes in duplex direction.
  • the UE transceiver 230 and the base station transceiver 210 are configured to communicate via the wireless data communication link 250, and cooperate with a suitably configured RF antenna arrangement 212/232 that can support a particular wireless communication protocol and modulation scheme.
  • the UE transceiver 210 and the base station transceiver 210 are configured to support industry standards such as the Long Term Evolution (LTE) and emerging 5G standards, and the like. It is understood, however, that the present disclosure is not necessarily limited in application to a particular standard and associated protocols. Rather, the UE transceiver 230 and the base station transceiver 210 may be configured to support alternate, or additional, wireless data communication protocols, including future standards or variations thereof.
  • LTE Long Term Evolution
  • 5G 5G
  • the BS 202 may be an evolved node B (eNB) , a serving eNB, a target eNB, a femto station, or a pico station, for example.
  • eNB evolved node B
  • the UE 204 may be embodied in various types of user devices such as a mobile phone, a smart phone, a personal digital assistant (PDA) , tablet, laptop computer, wearable computing device, etc.
  • PDA personal digital assistant
  • the processor modules 214 and 236 may be implemented, or realized, with a general purpose processor, a content addressable memory, a digital signal processor, an application specific integrated circuit, a field programmable gate array, any suitable programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination thereof, designed to perform the functions described herein.
  • a processor may be realized as a microprocessor, a controller, a microcontroller, a state machine, or the like.
  • a processor may also be implemented as a combination of computing devices, e.g., a combination of a digital signal processor and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a digital signal processor core, or any other such configuration.
  • the steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in firmware, in a software module executed by processor modules 214 and 236, respectively, or in any practical combination thereof.
  • the memory modules 216 and 234 may be realized as RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
  • memory modules 216 and 234 may be coupled to the processor modules 210 and 230, respectively, such that the processors modules 210 and 230 can read information from, and write information to, memory modules 216 and 234, respectively.
  • the memory modules 216 and 234 may also be integrated into their respective processor modules 210 and 230.
  • the memory modules 216 and 234 may each include a cache memory for storing temporary variables or other intermediate information during execution of instructions to be executed by processor modules 210 and 230, respectively.
  • Memory modules 216 and 234 may also each include non-volatile memory for storing instructions to be executed by the processor modules 210 and 230, respectively.
  • the network communication module 218 generally represents the hardware, software, firmware, processing logic, and/or other components of the base station 202 that enable bi-directional communication between base station transceiver 210 and other network components and communication nodes configured to communicate with the base station 202.
  • network communication module 218 may be configured to support internet or WiMAX traffic.
  • network communication module 218 provides an 802.3 Ethernet interface such that base station transceiver 210 can communicate with a conventional Ethernet based computer network.
  • the network communication module 218 may include a physical interface for connection to the computer network (e.g., Mobile Switching Center (MSC) ) .
  • MSC Mobile Switching Center
  • the Open Systems Interconnection (OSI) Model (referred to herein as, “open system interconnection model” ) is a conceptual and logical layout that defines network communication used by systems (e.g., wireless communication device, wireless communication node) open to interconnection and communication with other systems.
  • the model is broken into seven subcomponents, or layers, each of which represents a conceptual collection of services provided to the layers above and below it.
  • the OSI Model also defines a logical network and effectively describes computer packet transfer by using different layer protocols.
  • the OSI Model may also be referred to as the seven-layer OSI Model or the seven-layer model.
  • a first layer may be a physical layer.
  • a second layer may be a Medium Access Control (MAC) layer.
  • MAC Medium Access Control
  • a third layer may be a Radio Link Control (RLC) layer.
  • a fourth layer may be a Packet Data Convergence Protocol (PDCP) layer.
  • PDCP Packet Data Convergence Protocol
  • a fifth layer may be a Radio Resource Control (RRC) layer.
  • a sixth layer may be a Non Access Stratum (NAS) layer or an Internet Protocol (IP) layer, and the seventh layer being the other layer.
  • NAS Non Access Stratum
  • IP Internet Protocol
  • RF radio frequency
  • IAB integrated access and backhaul
  • the RF repeater can be introduced as the network node for amplify-and-forward signals that they receive.
  • the RF repeater may be utilized to supplement the coverage provided by regular full-stack cells, for example.
  • a type of network node such as a network-controlled repeater (NCR)
  • NCR network-controlled repeater
  • Side control information can allow a network-controlled repeater to perform/execute/operate its amplify-and-forward operation in a more efficient manner.
  • Certain benefits can include at least mitigation of unnecessary noise amplification, transmissions and receptions with better spatial directivity, and/or simplified network integration. Similar mechanisms or techniques for controlling the amplification of signals (and/or noise) can be performed by similar types of network devices as discussed herein, for example.
  • the NCR can be regarded as a stepping stone of a re-configurable intelligent surface (RIS) .
  • a RIS node can adjust the phase and amplitude of the received signal to improve/enhance the coverage (e.g., network communication coverage) .
  • coverage e.g., network communication coverage
  • network nodes including and not limited to NCR, smart repeater, enhanced RF repeaters, RIS, and/or IAB, can be denoted, referred to, or provided as a smart node (SN) (e.g., network node) for simplicity.
  • SN smart node
  • the SN can include, correspond to, or refer to a kind of network node to assist the BS 102 to improve coverage (e.g., avoiding/averting blockage/obstructions, increasing transmission range, etc. ) .
  • One or more SNs can be deployed to improve coverage and some SN FU can be activated (e.g., turned on) or deactivated (e.g., turned off) depending on whether there is a forwarding operation for the SN FU, such as according to whether there is at least one UE under the coverage area of the SN.
  • the systems and methods of the technical solution discussed herein can introduce power control indication for the SN, such that the network (e.g., BS 102 and/or the UE 104) can explicitly or implicitly indicate power control information of or for the SN, thereby mitigating the interference or performing measurements.
  • the systems and methods of the technical solution discussed herein can reduce energy or power consumption of the SN, among other devices.
  • FIG. 3 illustrates a schematic diagram of an example network 300.
  • one or more BSs 102A-B e.g., BSs 102
  • can serve one or more UEs 104A-B e.g., UEs 104) respectively in their cells via the respective one or more SNs 306A-B (e.g., sometimes labeled as SN (s) 306) , such as when there are blockages between the BS (s) 102 and the UE (s) 104.
  • SNs 306A-B e.g., sometimes labeled as SN (s) 306
  • FIG. 4 illustrates a block diagram of an example NCR (e.g., or other network nodes) , in accordance with some embodiments of the present disclosure.
  • the NCR (or NCR node) can be modeled as or described in conjunction with but not limited to FIG. 4.
  • the NCR node can be an RF repeater capable of enabling or allowing wireless amplifying-and-forwarding functionality in the wireless communication network or system.
  • the NCR node can be capable of receiving and applying side control information from the BS 102 (e.g., gNB, TRP, or wireless communication node) with additional features or functionalities to support the NCR.
  • the NCR node can include, correspond to, or be a part of the network node (e.g., SN) .
  • the NCR-node can include an NCR-MT and NCR-Fwd.
  • the NCR-MT can be an entity supporting a subset of the functionality of the UE 104 that communicates with the BS 102 to receive side control information, such as via a control link based on the NR Uu interface.
  • the NCR-Fwd can include or correspond to the function performing amplifying-and-forwarding of signals between the BS 102 and the UE 104 via the NCR-Fwd backhaul link and NCR-Fwd access link, respectively.
  • the NCR-Fwd can support multiple beams toward the UE 104.
  • the functionality or behavior of the NCR-Fwd can be controlled according to the side control information received/obtained from the BS 102.
  • the systems and methods of the technical solution discussed herein can introduce power control indications for the network node (e.g. SN or NCR) .
  • the SN 306 can be controlled by the UE 104 and/or the BS 102.
  • the power indication may be provided from the UE 104.
  • the SN to BS link can be used to exchange SN’s information instead of the receive or transmit control information.
  • the SN 306 can receive the power indication from the BS 102 in a similar manner, for example.
  • the SN 306 can refer to a network node configured to support the controllable amplify-and-forward or forward operation of the wireless signal.
  • the SN 306 can include or correspond to a repeater, NCR, relay, part of the BS 102, TRP, RIS, and/or part of the UE 104, etc.
  • the SN 306 can include or consist of at least two units or functional parts/components (e.g., sometimes referred to as function entities) , such as the communication unit (CU) (e.g., SN CU) and the forwarding unit (FU) (e.g., SN FU) .
  • the units of the SN 306 can support different functions for communication with at least one of the BS 102 and/or the UE 104.
  • a first unit (or function entity) of the SN 306 may refer to the SN CU and a second unit (or function entity) of the SN 306 may refer to the SN FU or vice versa, in some cases.
  • the SN CU e.g., first unit
  • the SN CU can be a network-controlled repeater (NCR) MT.
  • the SN FU e.g., second unit
  • NCR network-controlled repeater
  • Fwd forwarder/forwarding
  • the SN 306 (e.g., SN CU or SN FU) can act/behave, include, or support various features or functionalities.
  • the SN 306 (e.g., SN CU) can receive and/or decode side control information from a controller.
  • the controller may be at least one of the BS 102 (e.g., gNB) , the UE 104, or other entities.
  • the SN CU may be a control unit, controller, mobile terminal (MT) , part of a UE 104 or a BS 102, a third-party IoT device, and so on.
  • MT mobile terminal
  • the SN 306 can carry out the intelligent amplify-and-forward operation using the side control information received by the SN CU.
  • the SN FU may be a radio unit (RU) , a RIS, and so on.
  • the unit to achieve each functionality may refer to or correspond to separate or dedicated components of the SN 306.
  • the unit for each functionality may refer to or correspond to different logic parts of the same component of the SN 306.
  • the interface to enable the information exchange or transition between the two units of the SN 306 can be supported.
  • An example model or depiction of the SN 306 can be shown in at least FIG. 5.
  • the forwarding functionality can be carried out via at least one of L1-L4, which can be referred to as forwarding links.
  • L5-L8 can be used for the SN 306 to receive control information and/or exchange or forward SN’s information with the BS 102 and/or the UE 104.
  • the transmission links between the BS 102 and SN 306 and/or between the SN 306 and the UE 104 as shown in FIG. 5 can be defined/described/provided as follows:
  • L1 link (e.g., backhaul link or F-link) from the BS 102 to the SN FU;
  • L2 link (e.g., backhaul link or F-link) from SN FU to BS 102;
  • L3 link (e.g., access link or F-link) from SN FU to UE 104;
  • L4 link (e.g., access link or F-link) from UE 104 to SN FU;
  • L5 link (e.g., control link or C-link) from BS 102 to SN CU;
  • L6 link (e.g., control link or C-link) from SN CU to BS 102;
  • L7 link (e.g., control link or C-link) from SN CU to UE 104;
  • L8 link (e.g., control link or C-link) from UE 104 to SN CU.
  • the L1-L8 can be at least one of various types of links, such as at least one of a control link, communication link, or forwarding link.
  • the SN 306 can receive and/or process the control information from the UE 104 and/or the BS 102, such that the information transmitted in the control link can be utilized to control the forwarding links or forwarding functionalities.
  • the data/signal/information of the SN 306 can be transmitted from the SN 306 to the UE 104 and/or the BS 102.
  • the SN 306 can receive cell-specific and/or UE-specific signals from the UE 104 and/or the BS 102, the information or signals transmitted/sent/provided/communicated on control link may or may not be used to control the forwarding links or forwarding functionalities.
  • SN’s data/signal/information can be transmitted from the SN 306 to the UE 104 and/or the BS 102.
  • the SN 306 can receive cell-specific and/or UE-specific signals from the UE 104 and/or the BS 102.
  • the information or signals transmitted on the communication link may not be used to control the forwarding links or forwarding functionalities.
  • the communication link can correspond to or be a part of the control link.
  • the communication link may not carry or have control information via the communication link to control the forwarding links or forwarding functionalities of the SN 306.
  • the signal from the BS 102 and/or the UE 104 can be unknown by the SN FU.
  • the SN FU can forward signals (e.g., with or without amplification) without decoding the signals.
  • L2 and L4 can correspond to or be associated with a complete uplink (UL) forwarding link from the UE 104 to the BS 102.
  • L1 and L3 can correspond to or be associated with a complete downlink (DL) forwarding link from the BS 102 to the UE 104.
  • L1-L4 can be forwarding links.
  • examples of models can be provided or described in conjunction with at least one of but not limited to FIGS. 5-7.
  • L5 and/or L6 can be control links, in which the side control information (e.g., power indication) can be transmitted/provided/communicated between the BS 102 and the SN 306.
  • L5 and/or L6 can be communication links for the SN 306 to exchange its information with the BS 102 for communication.
  • the SN 306 may transmit/send at least one of physical random access channel (PRACH) , sounding reference signal (SRS) , physical uplink shared channel (PUSCH) , and/or physical uplink control channel (PUCCH) via L6.
  • the SN 306 may receive/obtain at least one of synchronization signal block (SSB) , channel state information reference signal (CSI-RS) , physical downlink control channel (PDCCH) , and/or physical downlink shared channel (PDSCH) via L5.
  • PRACH physical random access channel
  • SRS sounding reference signal
  • PUSCH physical uplink shared channel
  • PUCCH physical uplink control channel
  • Example Model 2 UE-Controlled SN Configuration 1
  • depicted is an example configuration of a UE-controlled SN.
  • the SN 306 may be controlled by the UE 104 in this example model, as shown in FIG. 5.
  • the L7 and/or L8 can be control links for the SN 306 (e.g., SN CU) to receive side control information (e.g., power indication) from the UE 104.
  • the power indication via L8 can be transmitted in sidelink control information (SCI) via the physical sidelink control channel (PSCCH) and/or in sidelink data via the physical sidelink shared channel (PSSCH) .
  • L5 and/or L6 can be communication links to exchange SN’s information with the BS 102.
  • the SN 306 e.g., SN CU
  • the SN 306 may receive at least one of SSB, CSI-RS, PDCCH, and/or PDSCH via L5. Other types of signalings or information can be transmitted or received via the L5 and/or L6 as discussed herein.
  • FIG. 7 depicted is a schematic diagram 700 of another example configuration for UE-controlled SN.
  • the SN 306 can be controlled by the UE 104, as shown in FIG. 7.
  • L7 and/or L8 can be control links for the SN 306 (e.g., SN CU) to receive side control information (e.g., power indication) from the UE 104.
  • the power indication via L8 can be transmitted in sidelink control information (SCI) via PSCCH and/or in sidelink data via PSSCH.
  • SCI sidelink control information
  • the SN 306 may not have the communication link between the SN 306 and the BS 102. Hence, in this case, there may be no simultaneous transmission for L6 link and L2 link from the SN 306 to the BS 102, as shown in FIG. 7.
  • L1 and/or L2 can be referred to as backhaul links (e.g., BH-link)
  • L3 and/or L4 can be referred to as access links (e.g., AC-link)
  • access links e.g., AC-link
  • the L3 and/or L4 can be referred to as backhaul links
  • the L1 and/or L2 can be referred to as access links.
  • the backhaul link and access link can be part of the forwarding links, and the combination (of the backhaul and access links) can represent or constitute a complete forwarding link, for example.
  • the power control may represent the power of forwarding links, such as the power of L2 and/or L3, although other links can be configured similarly, for example.
  • the power of L6 may be determined, computed, or calculated based on certain UE power control mechanisms, such as predetermined or configured in the specification for different channels, e.g., PUSCH, PUCCH, PRACH, and/or SRS, etc. Examples of the L6 link power calculation formulas based on the specification can be provided as follows:
  • the L6 link power can be determined using the example formula (1) :
  • the L6 link power can be determined using the example formula (2) :
  • the L6 link power can be determined using the example formula (4) :
  • FIG. 8 depicts a structure 800 of example implementations for the SN 306 receiving power indication and determining transmission power.
  • the SN 306 e.g., SN CU
  • receive power indication e.g., from the BS 102 and/or from the UE 104 .
  • the SN 306 e.g., SN CU
  • determine the transmission power of the SN 306 e.g., SN FU
  • the power indication may be transmitted/sent/provided from the BS 102 to the SN 306 via L5, such as shown in at least one of FIG. 6, and/or from the UE 104 to the SN 306 via L8, such as shown in at least one of FIGS. 5 and/or 7.
  • the L6 link from the SN 306 to the BS 102 may be a communication link to carry or include SN’s data/information.
  • the determination of the transmission power for the L2 link can vary depending on whether L6 link and L2 link transmit simultaneously or whether one of the L6 link or the L2 link transmit. For example, when the L2 link and L6 link do not transmit simultaneously (e.g., the L2 link and L6 link transmit independently, such as in different time domain resources and/or in different time division multiplexing (TDM) manners/ways) , the transmission power and/or amplifying gain of the forwarding link L2 from the SN 306 to the BS 102 can be controlled or configured by the power indication. In some cases, the transmission power or amplifying gain of the forwarding link L2 may be assumed to be manually operated or controlled by operations, administration, and maintenance (OAM) . In such cases, there may be no power control signal via NR Uu interface, for example.
  • OFAM operations, administration, and maintenance
  • the power indication when the L2 link and L6 link transmit simultaneously, can be applied.
  • the transmission power or amplifying gain of forwarding link L2 can be determined by or according to at least one of the power-related parameter in or as part of the power indication, input power, the UL maximum total power, and/or L6 link power, to name a few.
  • L6 link power can be determined according to at least one of the example formulas (1) - (4) for different signals or channels. For instance, the priority of L6 link can be higher than L2 link, such that SN’s data transmission can be ensured by the BS 102. In this case, the power of L2 can be reduced and L6 link power can be maintained for prioritizing L6 link, for example.
  • the following example scenarios can be provided for when the L2 link and L6 link transmit simultaneously.
  • the sum of the transmission power for the L2 link and L6 link can be (e.g., ensured to be) less than the maximum total power.
  • the maximum total power can be based on the capability of the SN 306 or configured according to the specification.
  • the BS 102 can ensure that or configure the sum of transmission power for the L2 link and L6 link to be less than the maximum total power.
  • the transmission power min (max total power, input power *original amplifying gain -power offset)
  • the transmission power min (max total power, original transmission power -power offset) .
  • Example Case 1 The Power Indication Includes a First Power Indication and/or a Second Power Indication
  • the power indication can include a first power indication to configure the power of a first forwarding link (e.g., L2) from the SN 306 to the BS 102 and/or a second power indication to configure the power of a second forwarding link (e.g., L3) from the SN 306 to the UE 104.
  • a first power indication to configure the power of a first forwarding link (e.g., L2) from the SN 306 to the BS 102
  • a second power indication to configure the power of a second forwarding link (e.g., L3) from the SN 306 to the UE 104.
  • Example Case 1-1 The First Power Indication is Indicated by a First DCI and the Second Power Indication is Indicated by a Second DCI
  • the first power indication can be indicated by the first DCI and the second power indication can be indicated by the second DCI.
  • the first DCI can be a new DCI format dedicated to the SN 306 or an existing DCI format for the UE 104 (e.g., normal UE) .
  • the first DCI can reuse (or repurpose) at least one of the DCI formats, such as DCI format 0_0, 0_1, 0_2, 1_0, 1_1, and/or 1_2.
  • the TPC command field for PUSCH and/or PUCCH can be re-interpreted to configure at least one of the amplifying gain, transmission power, and/or power offset of the first power indication.
  • the cyclic redundancy check (CRC) of the first DCI can be scrambled by cell radio network temporary identifier (C-RNTI) of SN CU or by new cell radio network temporary identifier (NCR-RNTI) dedicated for the SN 306.
  • C-RNTI cell radio network temporary identifier
  • NCR-RNTI new cell radio network temporary identifier
  • the first DCI can reuse DCI format 2_2 used to configure the power of PUSCH or PUCCH for the UE 104 (e.g., normal UE) .
  • the TPC command field can be re-interpreted to configure at least one of the amplifying gain, transmission power, and/or power offset of the first power indication.
  • the CRC of the first DCI can be scrambled by TPC-PUSCH-RNTI or TPC-PUCCH-RNTI of SN CU, and/or by NCR-RNTI dedicated for the SN 306.
  • the first DCI can be a new DCI which can include at least one of the parameters.
  • the parameters can be provided or listed herein, such as in the example parameter list of power indication.
  • the CRC of the first DCI can be scrambled by NCR-RNTI dedicated for the SN 306.
  • One or more dedicated fields can be introduced or provided for power-related parameters.
  • Each power indication field can include or comprise at least one of amplifying gain, transmission power, power offset, and/or a power factor, etc.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, SN index information, etc., can be introduced explicitly or implicitly, such as listed in the example parameter list of power indication.
  • the DCI may include at least one of the following fields (e.g., the details of which can be found in at least the example parameter list of power indication) :
  • One or more specific values of the power indication field can represent an invalid power indication.
  • At least one power indication field can be introduced in the new DCI format.
  • the transmission power or amplifying gain of the forwarding link L2 can be determined by the (e.g., valid) power indication field.
  • the transmission power or amplifying gain can remain the same (or be maintained) until the SN 306 receives another (or new) DCI format including the (e.g., valid) power indication field.
  • the one or more power indication fields may each correspond to a time domain resource field. Within the indicated time domain resource, the power indication can be applied.
  • the time domain resource fields can be newly introduced and dedicated for power indication fields.
  • the one or more power indication fields may each correspond to a frequency domain resource field.
  • the power indication can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for one or more power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may correspond to a frequency domain resource field.
  • the one or more power indications can be applied on the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may each be associated with an SN component indication (e.g., a panel, etc. ) .
  • the one or more power indications can be applied to the indicated SN component.
  • the SN component indication can be a dedicated field or implicitly determined by the power indication fields, for instance, power indication 1 can correspond to SN component 1, power indication 2 can correspond to SN component 2, etc.
  • the second DCI can be a new DCI format dedicated to the SN 306 or reuse (or repurpose) an existing DCI format (e.g., DCI format 2_8) for the SN 306 (e.g., NCR) .
  • the DCI format 2_8 can carry beam information and/or ON-OFF information for the SN 306.
  • the DCI format 2_8 can include one or more of beam index fields and/or one or more time domain resource fields, while the number of beam index fields is the same as the number of time domain resource fields with one-to-one mapping.
  • the CRC of DCI format 2_8 can be scrambled by NCR-RNTI dedicated to the SN 306 (e.g., NCR) .
  • the second DCI can reuse DCI format 2_8, and a new dedicated field can be introduced or provided to configure at least one of the amplifying gain, transmission power, and/or power offset of the second power indication for the L3 link.
  • a new dedicated field can be introduced or provided to configure at least one of the amplifying gain, transmission power, and/or power offset of the second power indication for the L3 link.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly, for instance, as listed in the example parameter list of power indication, among others.
  • the second DCI can be a new DCI which can include at least one of the parameters, such as the associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, listed in the example parameter list of power indication, for instance, the DCI may include at least one of the following fields:
  • the details of the fields can be described in conjunction with but not limited to the example parameter list of power indication.
  • One or more specific values of power indication field can represent an invalid power indication, not limited to the example case 1-1, for example.
  • the CRC of the second DCI can be scrambled by NCR-RNTI, among others, dedicated for the SN 306.
  • one power indication field may be provided or introduced in the new DCI format.
  • the transmission power or amplifying gain of the L3 link can be determined by the (e.g., valid) power indication field.
  • the transmission power or amplifying gain may remain the same (or maintained) until the SN 306 receives another new DCI format including the (e.g., valid) power indication field.
  • the one or more power indication fields may each correspond to a time domain resource field. Within the indicated time domain resource, the power indication can be applied.
  • the time domain resource fields can be newly introduced and dedicated for power indication fields.
  • the one or more power indication fields may each correspond to a frequency domain resource field.
  • the power indication can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may all correspond to a frequency domain resource field.
  • the one or more power indications can be applied on the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may each be associated with an SN component indication (e.g., a panel, etc. ) .
  • the one or more power indications can be applied to the indicated SN component.
  • the SN component indication can be a dedicated field or implicitly determined by or according to the power indication fields, e.g., power indication 1 may correspond to SN component 1, power indication 2 may correspond to SN component 2, etc.
  • Example Case 1-2 The First Power Indication and the Second Power Indication are Indicated in the Same DCI
  • the first and second power indications may be indicated in the same DCI.
  • the DCI can be the DCI format 2_8, for example.
  • the DCI format 2_8 may carry beam information and/or ON-OFF information for the SN 306 (e.g., NCR) .
  • the DCI format 2_8 may include one or more beam index fields and/or one or more time domain resource fields, while the number of beam index fields is the same as the number of time domain resource fields with one-to-one mapping.
  • the CRC of DCI format 2_8 can be scrambled by NCR-RNTI dedicated to the SN 306 (e.g., NCR) .
  • Each power indication field can include at least one of: amplifying gain, transmission power, power offset, and/or a power factor, to name a few.
  • other parameters such as associated time domain resource, link information (e.g., to indicate that the power indication is for L3 link or L2 link) , frequency domain resource, SN component information, SN index information, etc., may be introduced explicitly or implicitly according to the example parameter list of power indication.
  • the power indication field may be shared or separate for the first and second power indications. If shared, the link information can be provided explicitly or implicitly to indicate which link the power indication belongs to. One or more specific values of the power indication field can represent an invalid power indication.
  • one power indication field can be introduced in DCI format 2_8.
  • This field (e.g., the one power indication field) can be used to either indicate the first power indication or the second power indication, which can be distinguished by the link information.
  • the transmission power or amplifying gain of forwarding link L2 and/or L3 link can be determined by the (e.g., valid) power indication field.
  • the transmission power or amplifying gain may remain the same, for instance, until the SN 306 receives another DCI format 2_8 including the (e.g., valid) power indication field, for example.
  • Example 1-2 multiple (e.g., two) separate fields can be introduced in DCI format 2_8 to indicate the first power indication and second power indication, respectively.
  • the transmission power or amplifying gain of forwarding link L2 and/or L3 link can be determined by the (e.g., valid) power indication field.
  • the transmission power or amplifying gain can remain the same until the SN 306 receives another DCI format 2_8 including the (e.g., valid) power indication field.
  • the one or more power indication fields may each correspond to a time domain resource field. Within the indicated time domain resource, the power indication can be applied.
  • the time domain resource fields can be newly introduced and dedicated to power indication fields.
  • the time domain resource fields for power indication may reuse the time resource fields associated with the beam index fields.
  • the number of power indication fields may be equal to the number of beam index fields.
  • the one or more power indication fields may each correspond to a frequency domain resource field.
  • the power indication can be applied on the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may correspond to a frequency domain resource field.
  • the one or more power indications may be applied on the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may each be associated with an SN component indication (e.g., a panel, etc. ) .
  • the one or more power indications can be applied on the indicated SN component.
  • the SN component indication can be a dedicated field or implicitly determined by or according to the power indication fields. For instance, power indication 1 can correspond to SN component 1, power indication 2 can correspond to SN component 2, etc.
  • one or more of the beam index fields can be re-interpreted as one or more power indication fields including at least one of amplifying gain, transmission power, power offset, and/or a power factor, among others.
  • the associated time resource fields (e.g., which may be originally or previously associated with the beam index fields) can be used to indicate the applied time of the power indication.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly, for instance, as listed in the example parameter list of power indication.
  • one or more of the time resource fields can be re-interpreted or repurpose as one or more power indication fields including at least one of amplifying gain, transmission power, power offset, and/or a power factor, among others.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly via the example parameter list of power indication.
  • the DCI can be a new DCI format dedicated to the SN 306.
  • the new DCI can include at least one of the parameters listed in the example parameter list of power indication.
  • the CRC of the second DCI can be scrambled by NCR-RNTI dedicated to the SN 306.
  • Each power indication field can include at least one of: amplifying gain, transmission power, power offset, and/or a power factor, etc.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, SN index information, and/or link information (e.g., to indicate whether the power indication is for L3 or L2 link)
  • link information e.g., to indicate whether the power indication is for L3 or L2 link
  • the power indication field may be shared or separate for first and second power indications. If shared, the link information may be provided explicitly or implicitly to indicate which link the power indication belongs to or is configured for. One or more specific values of the power indication field can represent an invalid power indication.
  • one power indication field can be introduced in the new DCI format. This field can be used to indicate the first power indication or the second power indication, which can be distinguished by the link information.
  • the transmission power or amplifying gain of forwarding link L2 or L3 link can be determined by the (e.g., valid) power indication field.
  • the transmission power or amplifying gain can remain the same until the SN 306 receives another new DCI format including the (e.g., valid) power indication field.
  • Example 1-2 multiple (e.g., two) separate fields can be introduced in the new DCI format to indicate the first power indication and second power indication respectively.
  • the transmission power or amplifying gain of forwarding link L2 and/or L3 link can be determined by the (e.g., valid) power indication field.
  • the transmission power or amplifying gain may remain the same until the SN 306 receives another new DCI format including the (e.g., valid) power indication field.
  • the one or more power indication fields may each correspond to a time domain resource field, within the indicated time domain resource, the power indication is applied.
  • the time domain resource fields can be newly introduced and dedicated for power indication fields.
  • the one or more power indication fields may each correspond to a frequency domain resource field.
  • the power indication can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may also be shared for power indication fields and beam index fields.
  • the one or more power indication fields may correspond to a frequency domain resource field.
  • the one or more power indications can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may each be associated with an SN component indication (e.g., a panel, etc. ) .
  • the one or more power indications can be applied to the indicated SN component.
  • the SN component indication can be a dedicated field or implicitly determined by the power indication fields. For instance, power indication 1 can correspond to SN component 1, power indication 2 can correspond to SN component 2, etc.
  • Example Case 1-3 The First Power Indication and the Second Power Indication are included in RRC Message/Signaling
  • the first and second power indications may be included/contained/provided/indicated in the RRC message or signaling.
  • the power of the L3 link and the L2 link may be semi-statically configured.
  • the corresponding RRC parameter can include at least one of the parameters listed/provided/indicated in the example parameter list of power indication.
  • one RRC parameter may be defined or configured to indicate the power (e.g., transmission power or amplifying gain) for forwarding link L2.
  • Another RRC parameter can be defined to indicate the power (e.g., transmission power or amplifying gain) for the L3 link.
  • One RRC parameter can be defined or configured to indicate the power (e.g., transmission power or amplifying gain) for forwarding link L2.
  • Another RRC parameter can be defined to indicate the power (e.g., transmission power or amplifying gain) for the L3 link.
  • one RRC parameter can be defined to indicate the time domain resource associated with the power for forwarding link L2, and another RRC parameter can be defined to indicate the time domain resource associated with the power for L3 link.
  • the time domain resource parameter can be a set of time domain resources, in a periodic way/manner, such as including at least one of periodicity, slot offset, symbol offset, duration, and/or reference SCS, etc., or aperiodic way, such as including at least one of slot offset, symbol offset, duration, and/or reference SCS, etc.
  • Example Case 1-4 The First Power Indication is Indicated in the RRC message/signaling and the Second Power Indication is Indicated in DCI
  • the first power indication may be indicated in the RRC signaling and the second power indication may be indicated in the DCI, or other combination of signalings, for example.
  • the first power indication (e.g., for forwarding link L2) may not change relatively frequently because the SN 306 (e.g., NCR) may be in stationary deployment.
  • the path loss between the BS 102 and the SN 306 can be fixed.
  • the power control of forwarding link L2 (e.g., first power indication) can be in a semi-static manner.
  • the served UE 104 may be timely changed.
  • the power of L3 link (e.g., second power indication) may be configured dynamically.
  • At least one of the parameters in the example parameter list of power indication can include, correspond to, or be defined as RRC parameters.
  • the RRC parameter can include at least one of the following parameters:
  • one RRC parameter can be defined to indicate the power (e.g., transmission power or amplifying gain) for forwarding link L2.
  • one RRC parameter can be defined to indicate the power (e.g., transmission power or amplifying gain) for forwarding link L2.
  • one RRC parameter can be defined to indicate the time domain resource associated with the power for forwarding link L2.
  • the time domain resource parameter can be a set of time domain resources, such as in a periodic way (e.g., including at least one of periodicity, slot offset, symbol offset, duration, reference SCS, etc. ) or aperiodic way (e.g., including at least one of slot offset, symbol offset, duration, reference SCS, etc. ) .
  • the DCI for the second power indication may be a new DCI.
  • Each power indication field can include at least one of amplifying gain, transmission power, power offset, and/or a power factor, among others.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly, such as indicated/provided or configured in the example parameter list of power indication.
  • one or more specific values of the power indication field can represent an invalid power indication.
  • one power indication field can be introduced in the new DCI format.
  • the transmission power or amplifying gain of L3 link can be determined by the (e.g., valid) power indication field.
  • the transmission power or amplifying gain can remain the same until the SN 306 receives another new DCI format including the (e.g., valid) power indication field.
  • the one or more power indication fields may each correspond to a time domain resource field. Within the indicated time domain resource, the power indication can be applied.
  • the time domain resource fields can be newly introduced or dedicated to power indication fields.
  • the one or more power indication fields may each correspond to a frequency domain resource field.
  • the power indication can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may correspond to a frequency domain resource field.
  • the one or more power indications may be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may each be associated with an SN component indication (e.g., a panel, etc. ) .
  • the one or more power indications can be applied to the indicated SN component.
  • the SN component indication can be a dedicated field or implicitly determined by the power indication fields. For instance, power indication 1 can correspond to SN component 1, power indication 2 can correspond to SN component 2, etc.
  • the DCI for the second power indication can be a reuse of an existing DCI format 2_8.
  • Each power indication field can include at least one of amplifying gain, transmission power, power offset, and/or a power factor, among others.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly, for instance, as in the example parameter list of power indication.
  • One or more specific values of power indication field can represent invalid power indication.
  • one power indication field can be introduced in the DCI format 2_8.
  • the transmission power or amplifying gain of L3 link can be determined by or according to the (e.g., valid) power indication field.
  • the transmission power or amplifying gain can remain the same until the SN 306 receives another DCI format 2_8 including the (e.g., valid) power indication field, for example.
  • the one or more power indication fields may each correspond to a time domain resource field. Within the indicated time domain resource, the power indication can be applied.
  • the time domain resource fields can be newly introduced or dedicated for power indication fields.
  • the time domain resource fields for power indication may reuse the time resource fields associated with the beam index fields. In such cases, the number of power indication fields may be equal to the number of beam index fields.
  • the one or more power indication fields may each correspond to a frequency domain resource field.
  • the power indication can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may correspond to a frequency domain resource field.
  • the one or more power indications can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may each be associated with a SN component indication (e.g., a panel) .
  • the one or more power indications can be applied to the indicated SN component.
  • the SN component indication can be dedicated field or implicitly determined by or according to the power indication fields. For instance, power indication 1 can correspond to SN component 1, power indication 2 can correspond to SN component 2, etc.
  • one or more of the beam index fields can be re-interpreted as one or more power indication fields, for instance, including at least one of amplifying gain, transmission power, power offset and/or a power factor, etc.
  • the associated time resource fields (e.g., which may be originally associated with the beam index fields) can be used to indicate the applied time of the power indication.
  • other parameters such as the associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly, for instance, in the example parameter list of power indication.
  • one or more of the time resource fields can be re-interpreted as one or more power indication fields including at least one of amplifying gain, transmission power, power offset, and/or a power factor, etc.
  • other parameters e.g., associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly, for instance, according to the example parameter list of power indication.
  • Example Case 1-5 The First Power Indication and the Second Power Indication are Indicated in MAC CE
  • the first and second power indications may be indicated in the MAC CE signaling (e.g., the same MAC CE) .
  • the MAC CE may include one or more power indication fields and/or link information fields.
  • other parameters such as time domain resource field, frequency domain resource fields, and/or SN component field, can be introduced explicitly or implicitly, as in the example parameter list of power indication.
  • the MAC CE may include at least one of the following fields:
  • One or more power indication fields including one or more power-related parameters
  • Example 1 one power indication field can be included for L3 link power indication. Another power indication field can be included for forwarding link L2 power indication.
  • one power indication field can be included in the MAC CE.
  • the link information field such as S field, can be used to indicate whether the power indication field is for the L3 link or the L2 link.
  • Example 3 one power indication field can be included for L3 link power indication. Another power indication field can be included for forwarding link L2 power indication. One time domain resource field can be included to associate with these two power indication fields, for example.
  • Example 4 one power indication field can be included for L3 link power indication. Another power indication field can be included for forwarding link L2 power indication. Multiple (e.g., two) separate time domain resource fields can be included to associate with these two power indication fields respectively.
  • one power indication field can be included in the MAC CE signaling (or other types of signalings) .
  • the link information field such as the S field, can be used to indicate whether the power indication field is for L3 link or forwarding link L2.
  • One time domain resource field can be included to associate with the power indication field.
  • the first power indication can be indicated in the first MAC CE
  • the second power indication can be indicated in the second MAC CE.
  • each of the MAC CEs may include at least one of the following example fields:
  • One or more power indication fields including power-related parameters
  • Example Case 2 The Power Indication is Used to Control the Power of Forwarding Link from SN to BS.
  • the power indication can be used to control the power for the forwarding links, such as from the SN 306 to the BS 102.
  • Examples of the power indication for the forwarding links from the SN 306 to the BS 102 can be described in conjunction with but are not limited to at least one of example cases 2-1 to 2-3.
  • Example Case 2-1 The Power Indication for L2 Link is Indicated in DCI format 2_8 or a New DCI
  • the power indication can be in a new DCI.
  • Each power indication field can include at least one of amplifying gain, transmission power, power offset, and/or a power factor.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly, for instance, according to the example parameter list of power indication.
  • One or more specific values of power indication field can represent invalid power indication.
  • one power indication field may be introduced in the new DCI format.
  • the transmission power or amplifying gain of forwarding link L2 can be determined by the (e.g., valid) power indication field.
  • the transmission power or amplifying gain can remain the same until the SN 306 receives another new DCI format including the (e.g., valid) power indication field.
  • the one or more power indication fields may each correspond to a time domain resource field. Within the indicated time domain resource, the power indication can be applied.
  • the time domain resource fields can be (e.g., newly) introduced or dedicated for power indication fields.
  • the one or more power indication fields may each correspond to a frequency domain resource field.
  • the power indication can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may correspond to a frequency domain resource field.
  • the one or more power indications can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may each be associated with a SN component indication (e.g., a panel) .
  • the one or more power indications can be applied to the indicated SN component.
  • the SN component indication can be dedicated field or implicitly determined by the power indication fields.
  • the power indication 1 can correspond to SN component 1
  • power indication 2 can correspond to SN component 2, etc.
  • the power indication can be included in an existing DCI format (e.g., DCI format 2_8) .
  • Each power indication field can include at least one of amplifying gain, transmission power, power offset, and/or a power factor, among others.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly, for instance, according to the example parameter list of power indication.
  • One or more specific values of power indication field can represent invalid power indication.
  • one power indication field can be introduced or provided in DCI format 2_8.
  • the transmission power or amplifying gain of forwarding link L2 can be determined by the (e.g., valid) power indication field.
  • the transmission power or amplifying gain can remain the same until the SN 306 receives another DCI format 2_8 including the (e.g., valid) power indication field, for example.
  • the one or more power indication fields may each correspond to a time domain resource field.
  • the power indication can be applied.
  • the time domain resource fields can be newly introduced or dedicated for power indication fields.
  • the time domain resource fields for power indication can reuse or repurpose the time resource fields associated with the beam index fields. In such cases, the number of power indication fields may be equal to the number of beam index fields.
  • the one or more power indication fields may each correspond to a frequency domain resource field.
  • the power indication can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may correspond to a frequency domain resource field.
  • the one or more power indications can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may each be associated with a SN component indication (e.g., a panel) .
  • the one or more power indications can be applied to the indicated SN component.
  • the SN component indication can be dedicated field or implicitly determined by the power indication fields. For instance, power indication 1 can correspond to SN component 1, power indication 2 can correspond to SN component 2, etc.
  • one or more of the beam index fields can be re-interpreted, refined, configured, or updated as one or more power indication fields including at least one of amplifying gain, transmission power, power offset, and/or a power factor.
  • the associated time resource fields (e.g., which may be originally associated with the beam index fields) can be used to indicate the applied time of the power indication.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly, for instance, according to the example parameter list of power indication.
  • one or more of the time resource fields can be re-interpreted as one or more power indication fields including at least one of amplifying gain, transmission power, power offset, and/or a power factor.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly, for instance, according to the example parameter list of power indication.
  • Example Case 2-2 The Power Indication for L2 Link is Indicated in MAC CE
  • the MAC CE may include at least one of the following fields:
  • Example Case 2-3 The Power Indication for L2 link is Indicated in RRC
  • the power indication for the L2 link may be indicated in RRC signaling (or other types of signalings) .
  • RRC signaling or other types of signalings
  • at least one of the parameters, such as those included in the example parameter list of power indication, can be defined as RRC parameters.
  • the RRC parameter can include at least one of the following parameters:
  • the information of or regarding these fields can be included in the example parameter list of power indication, for example.
  • one RRC parameter can be configured or defined to indicate the power (e.g., transmission power or amplifying gain) for forwarding link L2.
  • one RRC parameter can be defined to indicate the power (e.g., transmission power or amplifying gain) for forwarding link L2.
  • Another RRC parameter can be defined to indicate the power (e.g., transmission power or amplifying gain) for L3 link.
  • one RRC parameter can be defined to indicate the time domain resource associated with the power for forwarding link L2, and another RRC parameter can be defined to indicate the time domain resource associated with the power for L3 link.
  • the time domain resource parameter can be a set of time domain resources, such as in periodic way/manner (e.g., including at least one of periodicity, slot offset, symbol offset, duration, reference SCS, etc. ) or aperiodic way (e.g., including at least one of slot offset, symbol offset, duration, reference SCS, etc. ) .
  • Example Case 3 The Power Indication is used to Control the Power of L3 link
  • the power indication can be used to control the power of the L3 link.
  • the forwarding link L2 power may not require/need a dedicated power indication.
  • the forwarding link L2 power may be manually controlled or may follow a predetermined rule/criteria/parameter/configuration.
  • the example predetermined rule can include, correspond to, or be, for instance, 1) when forwarding link L2 and L6 links do not transmit simultaneously, the power of forwarding link L2 can be pre-defined, such as via OAM or based on or according to SN FU’s capability; and/or 2) when the forwarding link L2 and L6 links transmit simultaneously, the forwarding link L2 power can be determined by or according to at least one of L6 link power, SN FU’s capability, maximum output power, and/or the signal/channel transmitted in L6 link, among others.
  • Example Case 3-1 The Power Indication for L3 link is Indicated in DCI format 2_8 or a New DCI
  • the power indication can be indicated in a new DCI.
  • Each power indication field can include at least one of amplifying gain, transmission power, power offset, and/or a power factor, etc.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly as listed in the example parameter list of power indication.
  • One or more specific values of power indication field can represent invalid power indication.
  • one power indication field can be introduced in the new DCI format.
  • the transmission power or amplifying gain of L3 link can be determined by the (e.g., valid) power indication field.
  • the transmission power or amplifying gain can remain the same until the SN 306 receives another new DCI format including the (e.g., valid) power indication field.
  • the one or more power indication fields may each correspond to a time domain resource field. Within the indicated time domain resource, the power indication can be applied.
  • the time domain resource fields can be newly introduced or dedicated for power indication fields.
  • the one or more power indication fields may each correspond to a frequency domain resource field.
  • the power indication can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may correspond to a frequency domain resource field.
  • the one or more power indications can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may each be associated with an SN component indication (e.g., a panel, etc. ) , the one or more power indications can be applied to the indicated SN component.
  • the SN component indication can be dedicated field or implicitly determined by the power indication fields. For instance, indication 1 can correspond to SN component 1, power indication 2 can correspond to SN component 2, etc.
  • the power indication can be included or indicated in an existing DCI format (e.g., DCI format 2_8) .
  • Each power indication field can include at least one of amplifying gain, transmission power, power offset and/or a power factor, to name a few.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly, for instance, according to the example parameter list of power indication.
  • One or more specific values of the power indication field can represent an invalid power indication.
  • Example 1-1 one power indication field can be introduced in DCI format 2_8.
  • the transmission power or amplifying gain of the L3 link can be determined by the (e.g., valid) power indication field.
  • the transmission power or amplifying gain can remain the same until the SN 306 receives another DCI format 2_8 including the (e.g., valid) power indication field.
  • the one or more power indication fields may each correspond to a time domain resource field.
  • the power indication can be applied.
  • the time domain resource fields can be newly introduced or dedicated for power indication fields.
  • the time domain resource fields for power indication can reuse the time resource fields associated with the beam index fields. In such cases, the number of power indication fields may be equal to the number of beam index fields, for example.
  • the one or more power indication fields may each correspond to a frequency domain resource field.
  • the power indication can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may correspond to a frequency domain resource field.
  • the one or more power indications can be applied to the indicated frequency domain resource.
  • the frequency domain resource field can be dedicated or introduced for power indication fields.
  • the frequency domain resource field may be shared for power indication fields and/or beam index fields.
  • the one or more power indication fields may each be associated with a SN component indication (e.g., a panel, etc. ) .
  • the one or more power indications can be applied to the indicated SN component.
  • the SN component indication can be dedicated field or implicitly determined by the power indication fields. For instance, power indication 1 can correspond to SN component 1, power indication 2 can correspond to SN component 2, etc.
  • one or more of the beam index fields can be re-interpreted as one or more power indication fields including at least one of amplifying gain, transmission power, power offset and/or a power factor, etc.
  • the associated time resource fields (e.g., which may be originally associated with the beam index fields) can be used to indicate the applied time of the power indication.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly, for instance, according to the example parameter list of power indication.
  • one or more of the time resource fields can be re-interpreted as one or more power indication fields including at least one of amplifying gain, transmission power, power offset and/or a power factor, etc.
  • other parameters such as associated time domain resource, frequency domain resource, SN component information, link information, and/or SN index information, can be introduced explicitly or implicitly, for instance, according to the example parameter list of power indication.
  • Example Case 3-2 The Power Indication for L3 link is Indicated in MAC CE
  • the power indication for the L3 link may be indicated in the MAC CE signaling.
  • the MAC CE may include at least one of the following fields:
  • Example Case 3-3 The Power Indication for L3 link is Indicated in RRC
  • the power indication for L3 link can be indicated in the RRC signaling.
  • at least one of the parameters in the example parameter list of power indication can be defined or configured as RRC parameters.
  • the RRC parameter can include at least one of the following parameters:
  • one RRC parameter can be configured or defined to indicate the power (e.g., transmission power or amplifying gain) for the L3 link.
  • one RRC parameter can be defined to indicate the power (e.g., transmission power or amplifying gain) for the L3 link.
  • Another RRC parameter can be defined to indicate the power (e.g., transmission power or amplifying gain) for the L3 link.
  • one RRC parameter can be defined to indicate the time domain resource associated with the power for the L3 link, and another RRC parameter can be defined to indicate the time domain resource associated with the power for the L3 link.
  • the time domain resource parameter can be a set of time domain resources, such as in a periodic manner/way (e.g., including at least one of periodicity, slot offset, symbol offset, duration, reference SCS, etc. ) or aperiodic way (e.g., including at least one of slot offset, symbol offset, duration, reference SCS, etc. ) .
  • the power indication may include/comprise at least one of the following parameters (e.g., as part of the example parameter list of power indication) :
  • the power-related parameter may include at least one of: amplifying gain, transmission power, power offset, and/or a power factor (e.g., ⁇ , which can be a positive value configured by the BS 102 based on or according to other affecting factors, such as band, polarization, panel, and/or beam) .
  • the indication of amplifying gain, transmission power, and/or power offset can be an absolute value or power level.
  • power level 1 can represent the absolute value of power P1.
  • the SN 306 may calculate the output power using the absolute value of power P1, for example.
  • the maximum power can be different for different links, e.g., the first maximum power for L2 link, the second maximum power for L3 link, etc.
  • the maximum power for L2 link can be a total maximum power minus C2 link power, where C2 link power can be determined according to at least one of the formulas (1) - (4) .
  • the output power can be equal to the indicated transmission power.
  • the power-related parameter can be added to the previous transmission power of SN FU.
  • the frequency information may include at least one of, but is not limited to, a carrier index, a band index, a sub-band index, a BWP index, a frequency range index, a start RB index, an RB number, an RE number, a frequency offset, and/or a reference point.
  • the SN 306 may have the capability to simultaneously transmit/send multiple signals in different bands or frequency resources. In such cases, the power of different signals in different bands or frequency resources can be separately configured according to the power-related parameters.
  • the SN 306 may implicitly determine the ON-OFF state or activation/deactivation state per band, for example, when the power of band 1 is allocated to zero, this can imply that the forwarding of band 1 is deactivated or turned OFF. In another example, when the power of band 2 is allocated to a non-zero value, this can imply that the forwarding of band 2 is activated or turned ON. In some cases, when SN FU is ON, the SN FU may transmit or receive (or perform forwarding) . When SN FU is OFF, the SN FU may not transmit or receive (or cease forwarding) .
  • the frequency resource information may be implicitly indicated.
  • the frequency resource can be implicitly determined by the frequency resource of the L6 link, e.g., the active UL or DL BWP of the L6 link, the frequency resource of the L6 link PUSCH. PUCCH, PDCCH, and/or PDSCH transmission, etc.
  • the time domain resource can include but is not limited to at least one of a start time, a pattern, a start and length indicator value (SLIV) , a time offset, a slot offset, a symbol offset, a time domain resource allocation (TDRA) index, a duty cycle, a duration (in symbols or in slots) , a periodicity, reference signal type, reference signal resource index, and/or a reference SCS.
  • SIV start and length indicator value
  • TDRA time domain resource allocation
  • the periodicity and slot offset may or may not be combined into a single parameter.
  • the reference signal resource index may comprise at least one of SSB index, CSI-RS index, SRS index, preamble index, etc.
  • the indicated power can be applied over the indicated time domain resource. For example, the power can be changed or reverted back to the previous value or default value outside of the indicated time domain resource.
  • the power-related parameter can apply until the SN 306 receives another power indication to change the power.
  • the SN CU may measure the reference signal according to the indicated reference signal type and/or resource index. The measured results can be used as a path loss value between the BS 102 and the SN 306 (e.g., SN FU) , which can be regarded as a factor to determine the transmission power or amplifying gain of SN FU, e.g., for the power of the L2 link.
  • SN FU SN FU
  • a. SN component may include but is not limited to at least one of a panel, a TRP, a beam, a RIS, and/or a RIS component.
  • the power indication may be applied per panel, per TRP, per beam, per RIS, per RIS component, or per other SN component.
  • the indication of the SN component may include at least one of a panel index, a TRP index, a beam index, a RIS index, a RIS component index, and/or a priority flag, etc.
  • the SN 306 may comprise one or more panels. Each panel can formulate one or more beams. The SN 306 can simultaneously transmit multiple signals via different panels and/or different beams.
  • different power indications may be applied for different panels.
  • multiple panels may equally share a total power indicated for SN FU.
  • the indicated total power can be P, and 4 panels simultaneously transmit signals.
  • the allocated power can be P/4, for example.
  • the power allocation among multiple panels may be determined by a priority flag and the total power.
  • the indicated total power can be denoted as P, and four panels can simultaneously transmit signals.
  • Panel 1 and panel 3 may have the priority flag to provide priority over other panels.
  • Link information may comprise at least one of a first forwarding link (e.g., forwarding link L2) from the SN 306 to the BS 102 (e.g., in some cases, the BS 102 can be another UE 104) and/or a second forwarding link (e.g., L3 link) from the SN 306 to the UE 104.
  • a first forwarding link e.g., forwarding link L2
  • a second forwarding link e.g., L3 link
  • 1-bit field can be included in the power indication to indicate which link the power indication can be applied. For instance, “0” bit can represent a first link, and “1” bit can represent a second link.
  • the link information can be implicitly determined by at least one of the beam information, TDD UL/DL information, and/or time domain resource.
  • some specific beam indexes can represent the first link while some other specific beam indexes can represent the second link.
  • the power indication can be applied for the first link, over the DL slots or symbols.
  • the power indication can be applied to the second link.
  • entries or time domain resource indexes may represent that the power indication can be applied for the first link. Some other entries or time domain resource indexes may represent that the power indication can be applied for the second link.
  • the first link power indication can be indicated in the first signal
  • the second link power indication can be indicated in the second signal.
  • the SN index information may include at least one of the SN index (es) , SN group index, and/or SN FU index (es) , among others. Accordingly, the power indication can be per SN, per SN group, per SN FU, or per other SN index information.
  • the indicated power indication may be associated with one or more SN indexes (e.g., SN FU index) , such that the power indication can be applied for the indicated SN FU (s) .
  • SN indexes e.g., SN FU index
  • the power indication may be associated with an SN group which may include one or multiple SN indexes.
  • an SN indexes may be indicated.
  • an SN group index can be indicated, and one or more SNs have been pre-allocated to each group.
  • the power indication may be applied in or using the following granularity and/or type:
  • the power indication can be applied for SN FU.
  • the link information can be explicitly or implicitly indicated to the SN 306.
  • the band information can be explicitly or implicitly indicated to the SN 306.
  • the SN group index or SN index (es) should be explicitly or implicitly indicated to the SN 306.
  • the SN component index can be explicitly or implicitly indicated to the SN 306.
  • the method 900 may be implemented using any of the components and devices detailed herein in conjunction with FIGs. 1–8.
  • the method 900 may include sending a power indication, at operation 902.
  • the method 900 can include receiving the power indication.
  • the method 900 can include determining a transmission power.
  • At operation 902 in some arrangements, at least one of a wireless communication device (e.g., UE) and/or a wireless communication node (e.g., BS, gNB, or TRP) can transmitted/sent/indicated/signaled/communicated/propagated a power indication to a network node (e.g., SN or NCR) .
  • the network node can support the controllable forwarding of wireless signals.
  • the network node can receive/obtain/acquire the power indication from at least one of the wireless communication device or the wireless communication node.
  • the network node e.g., SN CU
  • the network node can determine a transmission power of the network node (e.g., SN FU) according to the power indication.
  • the power indication can comprise/include at least one of: a first power indication to determine a first transmission power for transmitting at least one signal via a first forwarding link from the network node to a wireless communication node; and/or a second power indication to determine a second transmission power for transmitting at least one signal via a second forwarding link from the network node to a wireless communication device.
  • the power indication can be applied for at least one of the forwarding link from the network node to the wireless communication node (e.g., forwarding link L2) and/or the forwarding link from the network node to the wireless communication device (e.g., forwarding link L3) .
  • the network node when the transmission power is for concurrent or simultaneous transmission via a first forwarding link from the network node to a wireless communication node, and a first communication link or control link from the network node to a wireless communication node, the network node can determine at least one of the transmission power and/or an amplifying gain of the network node, according to at least one of: a power related parameter in the power indication, an input power of at least one signal received at the network node, an uplink maximum total power, and/or a link power of the first communication link and/or control link.
  • the power indication can be applied and the transmission power or amplifying gain of forwarding the L2 link can be determined by at least one of the power-related parameter in power indication, input power, the UL maximum total power, and/or L6 link power, etc.
  • the network node can receive the power indication via at least one of: a radio resource control (RRC) signaling, a medium access control control element (MAC CE) signaling, a downlink control information (DCI) signaling, a sidelink control information (SCI) signaling via a physical sidelink control channel (PSCCH) , and/or sidelink data via a physical sidelink shared channel (PSSCH) , such as in the case of UE-controlled SN, for example.
  • RRC radio resource control
  • MAC CE medium access control control element
  • DCI downlink control information
  • SCI sidelink control information
  • PSCCH physical sidelink control channel
  • PSSCH physical sidelink shared channel
  • the channel from the wireless communication device to the network node may be a sidelink channel.
  • the power indication can comprise at least one of: a power related parameter or power indication field; frequency information or an indication of a frequency domain resource; an indication of a time domain resource; component information of the network node; link information of the network node; and/or index information of the network node.
  • the power indication can comprise at least one of: a power indication for each of at least one forwarding unit (FU) of the network node; a power indication for each of at least one link of the network node; a power indication for each of at least one frequency band of the network node; a power indication for each of at least one group of the network node; and/or a power indication for each of at least one component of the network node.
  • the power related parameter or power indication field can be at least one of: included in a downlink control information (DCI) signaling, and/or including a first power indication or a second power indication, which may be distinguishable from each other using the link information.
  • DCI downlink control information
  • the power related parameter or power indication field can comprise or correspond to at least one beam index field in a downlink control information (DCI) signaling.
  • the power related parameter or power indication field can comprise or correspond to at least one time domain resource field in a downlink control information (DCI) signaling.
  • DCI downlink control information
  • one or more of the time domain resource fields in DCI can be re-interpreted as one or more power indication fields.
  • the power related parameter or power indication field can comprise an indication of at least one of: an amplifying gain, a specific transmission power, a power offset, and/or a power factor.
  • the frequency information can comprise at least one of: a carrier index, a band index, a sub-band index, a bandwidth part (BWP) index, a frequency range index, a start resource block (RB) index, an RB number, a resource element (RE) number, a frequency offset, and/or a reference point.
  • the frequency information may be indicated by a frequency resource of at least one link.
  • the component information can comprise an indication of at least one of: a component number, a component index, a priority flag of a component, and/or a power factor of the component, the component can comprise a panel, a transmission-reception point (TRP) , a beam, a reconfiguration intelligent surface (RIS) , and/or a RIS component; and/or the power indication may be applied to each component in the determining of the transmission power.
  • TRP transmission-reception point
  • RIS reconfiguration intelligent surface
  • power allocation among a plurality of components of the network node may be determined by at least one of: a priority flag of a component, a power factor of the component, and/or a total power of the network node.
  • at least one of: the power indication field may be associated with or applied to a component of the network node; and/or the component may be indicated in a dedicated field or determined using the power indication.
  • the power indication may be associated with one or more indexes of the network node or the network node’s forwarding units (FUs) ; and/or the power indication may be applied for one or more FUs corresponding to the one or more indexes, in the determining of the transmission power.
  • FUs forwarding units
  • the network node can receive the power indication via a first DCI signaling and a second DCI signaling, wherein at least one of: the first DCI signaling can comprise DCI format 2_2, the first DCI signaling may be used to configure a power of the first forwarding link from the network node to a wireless communication node, a transmission power control (TPC) command field of the first DCI signaling can be used or repurposed to configure at least one of: a first amplifying gain, a first specific transmission power, and/or a first power offset of the power indication, the second DCI signaling can comprise DCI format 2_8, the second DCI signaling may be used to configure a power of the second forwarding link from the network node to a wireless communication device, and/or a beam index field of the second DCI signaling can be used or repurposed to configure at least one of: a second amplifying gain, a second specific transmission power, and/or a second power offset of the power indication.
  • the second amplifying can comprise
  • At least one of: one or more power indication fields of the power indication can correspond to a frequency domain resource field, one or more values of the one or more power indication fields may be applied on a frequency domain resource indicated by the frequency domain resource field, the frequency domain resource field can be dedicated for the one or more power indication fields, and/or the frequency domain resource field can be shared for the one or more power indication fields and one or more beam index fields.
  • At least one of: one or more power indication fields of the power indication can each be associated with an indication of a component of the network device, one or more values of the one or more power indication fields may be applied on the indication of the component, and/or the indication of the component may be in a dedicated field or determined using the one or more power indication fields.
  • one or more defined values of the power related parameter or power indication field can represent an invalid power indication.
  • the time domain resource can comprise an indication of at least one of: a start time, a pattern, a start and length indicator value (SLIV) , a time offset, a slot offset, a symbol offset, a time domain resource allocation (TDRA) index, a duty cycle, a duration, a periodicity, a type of reference signal, an index of reference signal resource, and/or a reference subcarrier spacing (SCS) ;
  • the indication can include a parameter to indicate the periodicity and the slot offset;
  • the index of reference signal resource index can comprise at least one of: a synchronization signal block (SSB) index, a channel state information reference signal (CSI-RS) index, a sounding reference signal (SRS) index, and/or a preamble index.
  • SSB synchronization signal block
  • CSI-RS channel state information reference signal
  • SRS sounding reference signal
  • the first power indication and the second power indication are indicated in one downlink control information (DCI) signaling (e.g., the same DCI signaling)
  • DCI downlink control information
  • one or more power indication fields of the power indication can correspond to a frequency domain resource field
  • one or more values of the one or more power indication fields may be applied on a frequency domain resource indicated by the frequency domain resource field
  • the frequency domain resource field can be dedicated for the one or more power indication fields
  • the frequency domain resource field can be shared for the one or more power indication fields and one or more beam index fields.
  • At least one of: at least one of the one or more beam index fields can be used as one or more power indication fields to indicate at least one of: an amplifying gain, a specific transmission power, a power offset, and/or a power factor; and/or one or more time resource fields can be used as one or more power indication fields to indicate at least one of: the amplifying gain, the specific transmission power, the power offset, and/or the power factor.
  • the link information can comprise at least one of: a first forwarding link from the network node to a wireless communication node or a wireless communication device, and/or a second forwarding link from the network node to another wireless communication device.
  • the power indication may be transmitted from at least one of: a wireless communication device via a first control link to the network node; and/or a wireless communication node via a second control link to the network node.
  • any reference to an element herein using a designation such as “first, ” “second, ” and so forth does not generally limit the quantity or order of those elements. Rather, these designations can be used herein as a convenient means of distinguishing between two or more elements or instances of an element. Thus, a reference to first and second elements does not mean that only two elements can be employed, or that the first element must precede the second element in some manner.
  • any of the various illustrative logical blocks, modules, processors, means, circuits, methods and functions described in connection with the aspects disclosed herein can be implemented by electronic hardware (e.g., a digital implementation, an analog implementation, or a combination of the two) , firmware, various forms of program or design code incorporating instructions (which can be referred to herein, for convenience, as “software” or a “software module) , or any combination of these techniques.
  • firmware e.g., a digital implementation, an analog implementation, or a combination of the two
  • firmware various forms of program or design code incorporating instructions
  • software or a “software module”
  • IC integrated circuit
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • the logical blocks, modules, and circuits can further include antennas and/or transceivers to communicate with various components within the network or within the device.
  • a general purpose processor can be a microprocessor, but in the alternative, the processor can be any conventional processor, controller, or state machine.
  • a processor can also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other suitable configuration to perform the functions described herein.
  • Computer-readable media includes both computer storage media and communication media including any medium that can be enabled to transfer a computer program or code from one place to another.
  • a storage media can be any available media that can be accessed by a computer.
  • such computer-readable media can include RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to store desired program code in the form of instructions or data structures and that can be accessed by a computer.
  • module refers to software, firmware, hardware, and any combination of these elements for performing the associated functions described herein. Additionally, for purpose of discussion, the various modules are described as discrete modules; however, as would be apparent to one of ordinary skill in the art, two or more modules may be combined to form a single module that performs the associated functions according embodiments of the present solution.
  • memory or other storage may be employed in embodiments of the present solution.
  • memory or other storage may be employed in embodiments of the present solution.
  • any suitable distribution of functionality between different functional units, processing logic elements or domains may be used without detracting from the present solution.
  • functionality illustrated to be performed by separate processing logic elements, or controllers may be performed by the same processing logic element, or controller.
  • references to specific functional units are only references to a suitable means for providing the described functionality, rather than indicative of a strict logical or physical structure or organization.

Landscapes

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

Abstract

L'invention concerne des systèmes et des procédés d'indication de contrôle de puissance pour des nœuds de réseau. Un nœud de réseau qui prend en charge le transfert contrôlable de signaux sans fil peut recevoir une indication de puissance. Le nœud de réseau peut déterminer une puissance de transmission du nœud de réseau en fonction de l'indication de puissance.
PCT/CN2023/110431 2023-07-31 2023-07-31 Systèmes et procédés d'indication de contrôle de puissance pour nœuds de réseau WO2024109151A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2023/110431 WO2024109151A1 (fr) 2023-07-31 2023-07-31 Systèmes et procédés d'indication de contrôle de puissance pour nœuds de réseau

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2023/110431 WO2024109151A1 (fr) 2023-07-31 2023-07-31 Systèmes et procédés d'indication de contrôle de puissance pour nœuds de réseau

Publications (1)

Publication Number Publication Date
WO2024109151A1 true WO2024109151A1 (fr) 2024-05-30

Family

ID=91195144

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2023/110431 WO2024109151A1 (fr) 2023-07-31 2023-07-31 Systèmes et procédés d'indication de contrôle de puissance pour nœuds de réseau

Country Status (1)

Country Link
WO (1) WO2024109151A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210168728A1 (en) * 2018-08-10 2021-06-03 Huawei Technologies Co., Ltd. Power control method and apparatus
US20210176759A1 (en) * 2019-12-09 2021-06-10 Qualcomm Incorporated Iab power configuration
WO2022010230A1 (fr) * 2020-07-06 2022-01-13 엘지전자 주식회사 Procédé permettant de commander la puissance d'un nœud iab et dispositif utilisant ledit procédé
CN114189269A (zh) * 2021-11-17 2022-03-15 北京科技大学 一种智能中继器的上下行功率控制方法及装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210168728A1 (en) * 2018-08-10 2021-06-03 Huawei Technologies Co., Ltd. Power control method and apparatus
US20210176759A1 (en) * 2019-12-09 2021-06-10 Qualcomm Incorporated Iab power configuration
WO2022010230A1 (fr) * 2020-07-06 2022-01-13 엘지전자 주식회사 Procédé permettant de commander la puissance d'un nœud iab et dispositif utilisant ledit procédé
CN114189269A (zh) * 2021-11-17 2022-03-15 北京科技大学 一种智能中继器的上下行功率控制方法及装置

Similar Documents

Publication Publication Date Title
US20230208597A1 (en) Communication in multiple transmission/reception point environments
AU2020383209B2 (en) Systems and methods for reference signaling design and configuration in wireless communication networks
EP4005124B1 (fr) Schémas de liaison montante simples à double connectivité
US20230012515A1 (en) Multiple transmission reception point signaling
US20230413190A1 (en) System and method for power headroom reporting for uplink transmission in single dci based multi-trp operation
WO2024109151A1 (fr) Systèmes et procédés d'indication de contrôle de puissance pour nœuds de réseau
WO2024036490A1 (fr) Systèmes et procédés de configuration tdd pour nœuds intelligents
WO2024031361A1 (fr) Systèmes et procédés de détermination de synchronisation de liaison descendante/liaison montante
WO2024092592A1 (fr) Systèmes et procédés d'identification de faisceaux et de temps associé
US20220368509A1 (en) Determining information for beam formation across component carriers
WO2023206279A1 (fr) Systèmes et procédés de configuration de ressources pour des nœuds de réseau
WO2024065355A1 (fr) Systèmes et procédés d'identification de faisceaux pour transférer des liaisons
WO2024031360A1 (fr) Systèmes et procédés de commande d'état d'activation/désactivation pour nœuds de réseau
WO2023077407A1 (fr) Gestion de communications par faisceaux entre cellules
WO2022133929A9 (fr) Système et procédé de commande de puissance dans des transmissions de liaison montante
WO2024011606A1 (fr) Configuration de format de créneau pour nœuds intelligents
WO2023141896A1 (fr) Procédé d'indication d'informations d'état pour nœuds de réseau
US20220369247A1 (en) Multi-beam transmission signaling for uplink communication channels
US20240031826A1 (en) Methods, apparatus and systems for determining beam information across component carriers
WO2024092718A1 (fr) Systèmes et procédés de configuration tdd pour nœuds intelligents
WO2024011612A1 (fr) Systèmes et procédés d'indication de ressources
WO2024113887A1 (fr) Systèmes, procédés, et supports lisibles par processeur non transitoires pour commande de puissance pour transmissions de liaison montante
WO2024108988A1 (fr) Systèmes et procédés d'amélioration de bloc de signal de synchronisation (ssb)
WO2023197235A1 (fr) Systèmes et procédés de commande d'état d'activation/désactivation pour nœuds de réseau
WO2022147818A1 (fr) Systèmes et procédés de détermination d'informations de quasi-localisation d'après un signal de référence