WO2025015531A1 - Dispositifs et procédés de communication - Google Patents

Dispositifs et procédés de communication Download PDF

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Publication number
WO2025015531A1
WO2025015531A1 PCT/CN2023/107996 CN2023107996W WO2025015531A1 WO 2025015531 A1 WO2025015531 A1 WO 2025015531A1 CN 2023107996 W CN2023107996 W CN 2023107996W WO 2025015531 A1 WO2025015531 A1 WO 2025015531A1
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WIPO (PCT)
Prior art keywords
information
pairs
doppler
delay
node
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PCT/CN2023/107996
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English (en)
Inventor
Yukai GAO
Peng Guan
Gang Wang
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NEC Corp
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NEC Corp
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Priority to PCT/CN2023/107996 priority Critical patent/WO2025015531A1/fr
Publication of WO2025015531A1 publication Critical patent/WO2025015531A1/fr
Anticipated expiration legal-status Critical
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/364—Delay profiles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0222—Estimation of channel variability, e.g. coherence bandwidth, coherence time, fading frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2627—Modulators
    • H04L27/2639—Modulators using other transforms, e.g. discrete cosine transforms, Orthogonal Time Frequency and Space [OTFS] or hermetic transforms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals

Definitions

  • Example embodiments of the present disclosure generally relate to the field of communication techniques and in particular, to devices and methods for configuring and transmitting channel information.
  • MIMO multiple input multiple output
  • OTFS orthogonal time frequency space
  • ISAC integrated sensing and communication
  • embodiments of the present disclosure provide a solution for configurating and transmitting channel information.
  • a first node comprising: a processor configured to cause the first node to: receive, from a second node, configuration information for at least one measurement report; and transmit, to the second node, the at least one measurement report indicating the following: a first set of pairs of delay information and doppler information, and a second set of pairs of delay information and doppler information, wherein the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • a second node comprising: a processor configured to cause the second node to: transmit, to a first node, configuration information for at least one measurement report; and receive, from the second node, the at least one measurement report indicating the following: a first set of pairs of delay information and doppler information, and a second set of pairs of delay information and doppler information, wherein the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • a communication method performed by a first node.
  • the method comprises: receiving, from a second node, configuration information for at least one measurement report; and transmitting, to the second node, the at least one measurement report indicating the following: a first set of pairs of delay information and doppler information, and a second set of pairs of delay information and doppler information, wherein the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • a communication method performed by a second node.
  • the method comprises: transmitting, to a first node, configuration information for at least one measurement report; and receiving, from the second node, the at least one measurement report indicating the following: a first set of pairs of delay information and doppler information, and a second set of pairs of delay information and doppler information, wherein the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • a computer readable medium having instructions stored thereon, the instructions, when executed on at least one processor, causing the at least one processor to carry out the method according to the third, or fourth aspect.
  • FIG. 1 illustrates an example communication environment in which example embodiments of the present disclosure can be implemented
  • FIG. 2 illustrates a signaling flow of communication in accordance with some embodiments of the present disclosure
  • FIG. 3A and 3B illustrate examples of the reporting information
  • FIG. 4A and 4B illustrate examples of the reporting information
  • FIG. 5 illustrates an example of the reporting information
  • FIG. 6 illustrates an example of the reporting information
  • FIG. 7 illustrates an example of the reporting information
  • FIG. 8 illustrates a flowchart of a method implemented at a first node according to some example embodiments of the present disclosure
  • FIG. 9 illustrates a flowchart of a method implemented at a second node according to some example embodiments of the present disclosure.
  • FIG. 10 illustrates a simplified block diagram of an apparatus that is suitable for implementing example embodiments of the present disclosure.
  • terminal device refers to any device having wireless or wired communication capabilities.
  • the terminal device include, but not limited to, user equipment (UE) , personal computers, desktops, mobile phones, cellular phones, smart phones, personal digital assistants (PDAs) , portable computers, tablets, wearable devices, internet of things (IoT) devices, Ultra-reliable and Low Latency Communications (URLLC) devices, Internet of Everything (IoE) devices, machine type communication (MTC) devices, devices on vehicle for V2X communication where X means pedestrian, vehicle, or infrastructure/network, devices for Integrated Access and Backhaul (IAB) , Space borne vehicles or Air borne vehicles in Non-terrestrial networks (NTN) including Satellites and High Altitude Platforms (HAPs) encompassing Unmanned Aircraft Systems (UAS) , eXtended Reality (XR) devices including different types of realities such as Augmented Reality (AR) , Mixed Reality (MR) and Virtual Reality (VR) , the unmanned aerial vehicle (UAV)
  • UE user equipment
  • the ‘terminal device’ can further has ‘multicast/broadcast’ feature, to support public safety and mission critical, V2X applications, transparent IPv4/IPv6 multicast delivery, IPTV, smart TV, radio services, software delivery over wireless, group communications and IoT applications. It may also incorporate one or multiple Subscriber Identity Module (SIM) as known as Multi-SIM.
  • SIM Subscriber Identity Module
  • the term “terminal device” can be used interchangeably with a UE, a mobile station, a subscriber station, a mobile terminal, a user terminal or a wireless device.
  • network device refers to a device which is capable of providing or hosting a cell or coverage where terminal devices can communicate.
  • a network device include, but not limited to, a Node B (NodeB or NB) , an evolved NodeB (eNodeB or eNB) , a next generation NodeB (gNB) , a transmission reception point (TRP) , a remote radio unit (RRU) , a radio head (RH) , a remote radio head (RRH) , an IAB node, a low power node such as a femto node, a pico node, a reconfigurable intelligent surface (RIS) , and the like.
  • NodeB Node B
  • eNodeB or eNB evolved NodeB
  • gNB next generation NodeB
  • TRP transmission reception point
  • RRU remote radio unit
  • RH radio head
  • RRH remote radio head
  • IAB node a low power node such as a fe
  • the terminal device or the network device may have Artificial intelligence (AI) or Machine learning capability. It generally includes a model which has been trained from numerous collected data for a specific function, and can be used to predict some information.
  • AI Artificial intelligence
  • Machine learning capability it generally includes a model which has been trained from numerous collected data for a specific function, and can be used to predict some information.
  • the terminal or the network device may work on several frequency ranges, e.g., FR1 (e.g., 450 MHz to 6000 MHz) , FR2 (e.g., 24.25GHz to 52.6GHz) , frequency band larger than 100A GHz as well as Tera Hertz (THz) . It can further work on licensed/unlicensed/shared spectrum.
  • FR1 e.g., 450 MHz to 6000 MHz
  • FR2 e.g., 24.25GHz to 52.6GHz
  • THz Tera Hertz
  • the terminal device may have more than one connection with the network devices under Multi-Radio Dual Connectivity (MR-DC) application scenario.
  • MR-DC Multi-Radio Dual Connectivity
  • the terminal device or the network device can work on full duplex, flexible duplex and cross division duplex modes.
  • the embodiments of the present disclosure may be performed in test equipment, e.g., signal generator, signal analyzer, spectrum analyzer, network analyzer, test terminal device, test network device, channel emulator.
  • the terminal device may be connected with a first network device and a second network device.
  • One of the first network device and the second network device may be a master node and the other one may be a secondary node.
  • the first network device and the second network device may use different radio access technologies (RATs) .
  • the first network device may be a first RAT device and the second network device may be a second RAT device.
  • the first RAT device is eNB and the second RAT device is gNB.
  • Information related with different RATs may be transmitted to the terminal device from at least one of the first network device or the second network device.
  • first information may be transmitted to the terminal device from the first network device and second information may be transmitted to the terminal device from the second network device directly or via the first network device.
  • information related with configuration for the terminal device configured by the second network device may be transmitted from the second network device via the first network device.
  • Information related with reconfiguration for the terminal device configured by the second network device may be transmitted to the terminal device from the second network device directly or via the first network device.
  • the singular forms ‘a’ , ‘an’ and ‘the’ are intended to include the plural forms as well, unless the context clearly indicates otherwise.
  • the term ‘includes’ and its variants are to be read as open terms that mean ‘includes, but is not limited to. ’
  • the term ‘based on’ is to be read as ‘at least in part based on. ’
  • the term ‘one embodiment’ and ‘an embodiment’ are to be read as ‘at least one embodiment. ’
  • the term ‘another embodiment’ is to be read as ‘at least one other embodiment. ’
  • the terms ‘first, ’ ‘second, ’ and the like may refer to different or same objects. Other definitions, explicit and implicit, may be included below.
  • values, procedures, or apparatus are referred to as ‘best, ’ ‘lowest, ’ ‘highest, ’ ‘minimum, ’ ‘maximum, ’ or the like. It will be appreciated that such descriptions are intended to indicate that a selection among many used functional alternatives can be made, and such selections need not be better, smaller, higher, or otherwise preferable to other selections.
  • the term “resource, ” “transmission resource, ” “uplink resource, ” or “downlink resource” may refer to any resource for performing a communication, such as a resource in time domain, a resource in frequency domain, a resource in space domain, a resource in code domain, or any other resource enabling a communication, and the like.
  • a resource in both frequency domain and time domain will be used as an example of a transmission resource for describing some example embodiments of the present disclosure. It is noted that example embodiments of the present disclosure are equally applicable to other resources in other domains.
  • the first node receives configuration information for at least one measurement report from a second node (such as, a network device) . Based on the first configuration information, the first node transmits the at least one measurement report to the second node.
  • the at least one measurement report may indicate a first set of pairs of delay information and doppler information and a second set of pairs of delay information and doppler information. In particular, the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • the unnecessary information for sensing and communication may be reduced. As a result, the singling overhead is reduced.
  • the terms “UE expects” , “UE does not expect, “terminal device expects” , “terminal device does not expect” may imply restrictions on a configuration of a network device.
  • the terms “UE is not expected to” and “terminal device is not expected to” may imply a terminal implementation, also referred to as UE implementation. In some embodiments, the terms “UE does not expect” and “UE is not expected to” may be used equally.
  • signaling As used herein, terms “signaling” , “message” , “configuration” , “request” , “response” , “information” and “signal” , “packet” may be used interchangeably.
  • index As used herein, the terms “index” , “indicator” , “indication” , “field” , “bit field” and “bitmap” may be used interchangeably.
  • a function entity may be a 5G core (5GC) feature/function, including but are not limited to an AMF, ISMF, SF, LMF and any suitable 5GC feature/function.
  • 5GC 5G core
  • node As used herein, the terms “node” , “device” , “apparatus” “function” and “function entity” may be used interchangeably.
  • vector As used herein, the terms “vector” , “vectors” , “bases” and “basis” may be used interchangeably.
  • precoder As used herein, the terms “precoder” , “precoding” , “precoding matrix” , “beam” , “beamforming” , “vector” , “basis” , “codebook” , “UL codebook” , “spatial domain-related information” , “SD-related information” , “spatial relation information” , “spatial relation info” , “precoding information” , “precoding information and number of layers” , “precoding matrix indicator (PMI) ” , “precoding matrix indicator” , “transmission precoding matrix indication” , “precoding matrix indication” , “transmission configuration indication state (TCI state) ” , “UL TCI state” , “joint TCI state” , “transmission configuration indicator” , “quasi co-location (QCL) ” , “quasi-co-location” , “QCL parameter” , “QCL assumption” , “QCL relationship” and “spatial relation
  • the terms “vector” , “bases” and “basis” can be used interchangeably.
  • first domain In the context of the present application, the terms “first domain” , “frequency domain” and “delay domain” can be used interchangeably. In the context of the present application, the terms “second domain” , “time domain” and “doppler domain” can be used interchangeably. In the context of the present application, the terms “index” , “value” , “information” and “element” can be used interchangeably.
  • an SRS port As used herein, the terms “an SRS port” , “a CSI-RS port” , “an RS port” , “an SRS resource” , “a CSI-RS resource” , “an RS resource” , “an antenna port” , “third beam” , “beam” , “third bases” , “third basis vector” , “spatial domain/SD basis vector” , “spatial domain/SD vectors” , “spatial domain/SD basis” , “spatial domain/SD bases” , “spatial domain/SD basis vectors corresponding to a TRP index” , “spatial domain/SD vectors corresponding to a TRP index” , “spatial domain/SD basis corresponding to a TRP index” , “spatial domain/SD bases corresponding to a TRP index” , “third basis corresponding to a TRP index” , “spatial domain-related information” , “SD-related information” , “
  • bit size As used herein, the terms “bit size” , “size of bits” , “number of bits” , “size of field” , “bitwidth” and “field size” may be used interchangeably.
  • M refers to the total number of values in delay domain.
  • M may be a first parameter used for a first transform (e.g., zak transform, ISFFT and/or SFFT)
  • M may be a positive integer.
  • M may be configured by the second node (e.g. network device) or reported by the first node (e.g. terminal device) ;
  • N refers to the total number of values in doppler domain.
  • N may be a second parameter used for the first transform (e.g., zak transform, ISFFT and/or SFFT)
  • N may be a positive integer.
  • N may be configured by the second node (e.g. network device) or reported by the first node (e.g. terminal device) ;
  • ⁇ f refers to the value of subcarrier spacing. In some embodiments, ⁇ f may be at least one of ⁇ 15, 30, 60, 120, 240, 480 960, 1920, 3840 ⁇ kHz;
  • N fft refers to parameter for performing a second transform.
  • the second transform comprises at least one of the following: a transform to generate a transmitting symbol or an orthogonal frequency division multiplexing (OFDM) symbol, fast fourier transform (FFT) or inverse FFT (IFFT) .
  • N fft may refer to the size of the second transform and used for generating the transmitting symbol.
  • N fft may be positive integer. For example, 64 ⁇ N fft ⁇ 8192 . For another example, N fft ⁇ 1024 2048, 3300, 4096, 8192 ⁇ .
  • M 1 refers to the total number of candidate values in delay domain, corresponding to the first set of pairs of delay information and doppler information.
  • M 1 may be a positive integer.
  • the value of M 1 may be larger than 1;
  • M offset1 refers to the offset value in delay domain for a first range, corresponding to the first set of pairs of delay information and doppler information or corresponding to the set of delay information.
  • N 1 refers to the total number of candidate values in doppler domain, corresponding to the first set of pairs of delay information and doppler information.
  • N 1 may be a positive integer.
  • the value of N 1 may be larger than 1;
  • N offset1 refers to the offset value in doppler domain for a first range, corresponding to the first set of pairs of delay information and doppler information or corresponding to the set of doppler information.
  • M 2 refers to a parameter corresponding to the delay domain.
  • M 2 may be the number of indexes in a group of delay domain indexes.
  • M 2 may be the number of delay domain indexes in a group of pairs of delay information and doppler information.
  • M offset2 refers to the offset value in delay domain for a second range.
  • M offset2 may be the offset value corresponding to the at least one group of delay domain indexes or corresponding to the at least one group of pairs of delay information and doppler information.
  • N 2 refers to a parameter corresponding to the doppler domain.
  • N 2 may be the number of indexes in a group of doppler domain indexes.
  • N 2 may be the number of doppler domain indexes in the group of pairs of delay information and doppler information.
  • N offset2 refers to the offset value in doppler domain for a second range.
  • N offset2 may be the offset value corresponding to the at least one group of doppler domain indexes or corresponding to the at least one group of pairs of delay information and doppler information.
  • P 1 refers to the number of pairs in the first set of pairs of delay information and doppler information
  • P 2 refers to the number of pairs in the second set of pairs of delay information and doppler information
  • G 1 refers to the number of the at least one group of pairs corresponding to the first set of pairs of delay information and doppler information
  • G 2 refers to the number of the at least one group of pairs corresponding to the second set of pairs of delay information and doppler information.
  • the terminal device and the network device are used as example as the first node and the second node for illustrative purpose only.
  • the first node may be a terminal device or a network device
  • the second node may be a terminal device, a network device or a function entity in core network.
  • the delay domain and the doppler domain are used as example as the first domain and the second domain for illustrative purpose only.
  • FIG. 1 illustrates an example communication environment 100A in which example embodiments of the present disclosure can be implemented.
  • the communication environment 100 includes a first node 110 and a second node 120.
  • the first node 110 may be comprised in a terminal device/apparatus and the second node 120 may be comprised in a network device/apparatus serving the terminal device/apparatus.
  • some example embodiments are described with the first node 110 operating as a terminal device and the second node 120 operating as a network device.
  • operations described in connection with a terminal node may be implemented at a network node or other node, and operations described in connection with a network node may be implemented at a terminal node or other node.
  • a link from the second node 120 to the first node 110 is referred to as a downlink (DL)
  • a link from the first node 110 to the second node 120 is referred to as an uplink (UL)
  • the second node 120 is a transmitting (TX) apparatus (or a transmitter)
  • the first node 110 is a receiving (RX) apparatus (or a receiver)
  • the first node 110 is a TX apparatus (or a transmitter) and the second node 120 is a RX apparatus (or a receiver) .
  • MIMO is supported by at least one of the first node 110 and the second node 120.
  • the first node 110 may use at least one of: beams 150-1, 150-2, 150-3 (individually or collectively referred to as a beam 150) and beams 170-1, 170-2, 170-3 (individually or collectively referred to as a beam 170) to communicate with the second node 120.
  • the second node 120 may use at least one of: beams 140-1, 140-2, 140-3 (individually or collectively referred to as a beam 140) and beams 160-1, 160-2, 160-3 (individually or collectively referred to as a beam 160) to communicate with the first node 110.
  • the communication environment 100A comprises objects 130-1 and 130-2, collectively referred to as object (s) 130 or individually referred to as a first object 130-1 and a second object 130-2.
  • object (s) 130 may be sensed by the first node 110 and/or the second node 120.
  • the first node 110 may transmit measurement report (s) to the second node 120.
  • ISAC may be achieved in the communication environment 100.
  • OTFS-related measurement report maybe supported in the FIG. 1.
  • zak transform the symplectic finite fourier transform (SFFT) and inverse SFFT (ISFFT) may be supported.
  • SFFT the time-frequency domain may be transformed to the delay-doppler domain
  • ISFFT the delay-doppler domain may be transformed to the time-frequency domain.
  • the first node 110 and the second node 120 may communicate with each other via a channel such as a wireless communication channel on an air interface (e.g., Uu interface) .
  • the wireless communication channel may comprise a physical uplink control channel (PUCCH) , a physical uplink shared channel (PUSCH) , a physical random-access channel (PRACH) , a physical downlink control channel (PDCCH) , a physical downlink shared channel (PDSCH) and a physical broadcast channel (PBCH) .
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared channel
  • PRACH physical random-access channel
  • PDCCH physical downlink control channel
  • PDSCH physical downlink shared channel
  • PBCH physical broadcast channel
  • any other suitable channels are also feasible.
  • the communications in the communication environment 100 may conform to any suitable standards including, but not limited to, Global System for Mobile Communications (GSM) , Long Term Evolution (LTE) , LTE-Evolution, LTE-Advanced (LTE-A) , New Radio (NR) , Wideband Code Division Multiple Access (WCDMA) , Code Division Multiple Access (CDMA) , GSM EDGE Radio Access Network (GERAN) , Machine Type Communication (MTC) and the like.
  • GSM Global System for Mobile Communications
  • LTE Long Term Evolution
  • LTE-Evolution LTE-Advanced
  • NR New Radio
  • WCDMA Wideband Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • GERAN GSM EDGE Radio Access Network
  • MTC Machine Type Communication
  • Examples of the communication protocols include, but not limited to, the first generation (1G) , the second generation (2G) , 2.5G, 2.75G, the third generation (3G) , the fourth generation (4G) , 4.5G, the fifth generation (5G) communication protocols, 5.5G, 5G-Advanced networks, or the sixth generation (6G) networks.
  • FIG. 2 illustrates a signaling flow 200 of communication in accordance with some embodiments of the present disclosure.
  • the signaling flow 200 will be discussed with reference to FIG. 1, for example, by using the first node 110 and the second node 120.
  • the operations at the first node 110 and the second node 120 should be coordinated.
  • the second node 120 and the first node 110 should have common understanding about configurations, parameters and so on. Such common understanding may be implemented by any suitable interactions between the second node 120 and the first node 110 or both the second node 120 and the first node 110 applying the same rule/policy.
  • the corresponding operations should be performed by the second node 120.
  • the corresponding operations should be performed by the first node 110.
  • some operations are described from a perspective of the second node 120, it is to be understood that the corresponding operations should be performed by the first node 110.
  • some of the same or similar contents are omitted here.
  • some interactions are performed among the first node 110 and the second node 120 (such as, exchanging configuration (s) and so on) . It is to be understood that the interactions may be implemented either in one single signaling/message/configuration or multiple signaling/messages/configurations, including system information, radio resource control (RRC) message, downlink control information (DCI) message, uplink control information (UCI) message, media access control (MAC) control element (CE) and so on.
  • RRC radio resource control
  • DCI downlink control information
  • UCI uplink control information
  • CE media access control element
  • the first node 110 may be operated as a terminal device and the second node 120 may be operated as a network device.
  • the first node 110 may be operated as a network device and the second node 120 may be operated as a terminal device.
  • the first node may receive 210 configuration information for at least one measurement report from the second node 120.
  • the at least one measurement report may be OTFS-related measurement report.
  • the first node 110 may transmit 220 the at least one measurement report to the second node 120.
  • the at least one measurement report may indicate a first set of pairs of delay information and doppler information, and a second set of pairs of delay information and doppler information.
  • the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • measurement report in addition to the first and second sets of pairs of delay information and doppler information, more information may be indicated in the measurement report (s) .
  • Example information indicated by the measurement report incudes but is not limited to,
  • each first amplitude coefficient corresponding to a pair of delay information and doppler information or a group of pairs, such as, corresponding to the P 2 delay/doppler pairs based on second sets of pairs
  • the first amplitude coefficient may correspond to finer quantization.
  • the indication for first amplitude coefficient may comprise more bits
  • first phase coefficient may correspond to finer quantization.
  • indication for the first phase coefficient may comprise more bits
  • each second amplitude coefficient corresponding to a pair of delay information and doppler information or a group of pairs, such as, corresponding to the P 1 -P 2 delay/doppler pairs (For example, the P 1 -P 2 delay/doppler pairs may be based on first sets of pairs and excluding those pairs based on the second sets of pairs) (For example, the second amplitude coefficient may correspond to coarse quantization.
  • the indication for second amplitude coefficient may comprise less bits than the indication of the first amplitude coefficient) ,
  • each second phase coefficient corresponding to a pair of delay information and doppler information or a group of pairs, such as, corresponding to the P 1 -P 2 delay/doppler pairs (For example, the P 1 -P 2 delay/doppler pairs may be based on first sets of pairs and excluding those pairs based on the second sets of pairs) (For example, the second phase coefficient may correspond to coarse quantization.
  • the indication for second phase coefficient may comprise less bits than the indication of the first phase coefficient) ,
  • the parameter M 1 may identify the range of delay/doppler pair.
  • M 1 may be positive integer.
  • the parameter M offset1 may identify the location of the delay indexes or the first range corresponding to the delay domain.
  • M offset1 may be an integer.
  • the first set of pairs of delay information and doppler information may be within the first range corresponding to the delay domain and/or within the first range corresponding to the doppler domain or the first range corresponding to the delay domain and the doppler domain,
  • the parameter N 1 may identify the range of delay/doppler pair.
  • N 1 may be positive integer.
  • the parameter N offset1 may identify the location of the doppler indexes or the first range corresponding to the doppler domain.
  • the first set of pairs of delay information and doppler information may be within the first range corresponding to the delay domain and/or within the first range corresponding to the doppler domain or the first range corresponding to the delay domain and the doppler domain.
  • at least one parameter M 2 indicating a group of pairs of delay information and doppler information or indicating a number of delay domain indexes in a group of delay domain indexes or indicating a number of delay domain indexes in the group of pairs of delay information and doppler information.
  • M 2 may be a positive integer.
  • N 2 indicating a group of pairs of delay information and doppler information or indicating a number of doppler domain indexes in a group of doppler domain indexes or indicating a number of doppler domain indexes in the group of pairs of delay information and doppler information.
  • N 2 may be a positive integer.
  • At least one parameter M 2 and N 2 for indicating a size of a group of pairs or identifying the unit of one group of pairs
  • the reference pair may be the strongest delay/doppler pair or the pair with largest value of first amplitude coefficient or with largest value of second amplitude coefficient,
  • first value X which may be the second amplitude coefficient or a threshold for amplitude corresponding to the P 1 -P 2 delay/doppler pairs, or
  • At least one spatial domain (SD) -related indication or at least one third vector indication.
  • the number of the at least one spatial domain indication or the number of the at least one third vector in the measurement report may be represented as L.
  • L may be positive integer. For example, 1 ⁇ L ⁇ 16. For another example, L ⁇ ⁇ 1, 2, 3, 4, 6 ⁇ .
  • one third vector of the at least one third vector may be represented as v l, m .
  • l ⁇ ⁇ 0, 1, ... O 1 R 1 -1 ⁇ .
  • m ⁇ ⁇ 0, 1, ... O 2 R 2 -1 ⁇ .
  • O 1 n 1 +q 1
  • m O 2 n 2 +q 2 .
  • q 1 and q 2 may be rotations of the plurality of rotations for the at least one third vector. In some embodiments, q 1 ⁇ ⁇ 0, 1, ... O 1 -1 ⁇ . In some embodiments, q 2 ⁇ ⁇ 0, 1, ... O 2 -1 ⁇ .
  • a value of the first parameter of antenna port configuration may be represented as R 1 .
  • R 1 may be a positive integer.
  • R 1 may be one of ⁇ 2, 3, 4, 6, 8, 12, 16 ⁇ .
  • a value of the second parameter of antenna port configuration may be represented as R 2 .
  • R 2 may be a positive integer.
  • R 2 may be one of ⁇ 1, 2, 3, 4 ⁇ .
  • the first parameter of antenna port configuration and the second parameter of antenna port configuration may be configured in one higher layer parameter.
  • a parameter “O 1 ” there may be a parameter “O 1 ” , and “O 1 ” may represent a first discrete fourier transform (DFT) oversampling in the first dimension.
  • DFT discrete fourier transform
  • “O 1 ” may be one of ⁇ 1, 2, 4 ⁇ .
  • “O 1 ” may be 2 or 4.
  • there may be a parameter “O 2 ” and “O 2 ” may represent a second DFT oversampling in the second dimension.
  • “O 2 ” may be one of ⁇ 1, 2, 4 ⁇ .
  • “O 2 ” may be 2 or 4.
  • the first node 110 may receive at least one configuration for channel measurement/report (i.e., configuration information) from the second node 120 (e.g., network device) , and the first node 110 may determine and/or transmit at least one of the following in the measurement report (s) :
  • At least one first indication e.g., indicating a first set of pairs of delay information and doppler information corresponding to a first domain (e.g., delay domain) and a second domain (e.g., doppler domain) ,
  • At least one second indication (e.g., indicating a second set of pairs of delay information and doppler information) corresponding to the first domain (e.g., delay domain) and the second domain (e.g., doppler domain) ,
  • the at least one second indication may be based on the at least one first indication.
  • the second set of pairs of delay information and doppler information may be selected from or a subset of the first set of pairs of delay information and doppler information.
  • the at least one first indication may be based on the at least one second indication.
  • the first set of pairs of delay information and doppler information may be selected from or a subset of the second set of pairs of delay information and doppler information.
  • the first set of pairs of delay information and doppler information and/or the second set of pairs of delay information and doppler information may be limited in a first range.
  • the candidate value in delay domain corresponding to the first set of pairs of delay information and doppler information and/or the second set of pairs of delay information and doppler information may be limited within [M offset1 , M offset1 +M 1 -1] (For example, as illustrated in FIG. 3A, which illustrated an example of the reporting information 300A) , or [M offset1 , (M offset1 +M 1 -1) mod M] (For example, as illustrated in FIG. 4A, which illustrated an example of the reporting information 400A) .
  • the candidate value in doppler domain corresponding to the first set of pairs of delay information and doppler information and/or the second set of pairs of delay information and doppler information may be limited within [N offset1 , N offset1 +N 1 -1] (For example, as illustrated in FIG. 3A and FIG. 4A) or [N offset1 , (N offset1 +N 1 -1) mod N] .
  • the at least one group of pairs of delay information and doppler information may be limited in a second range.
  • the candidate value in delay domain corresponding to the at least one group of pairs of delay information and doppler information may be limited within [M offset2 , M offset2 + M 1 /M 2 -1] , or [M offset2 , (M offset2 + M 1 /M 2 -1) mod (M/M 2 ) ] .
  • the candidate value in doppler domain corresponding to the at least one group of pairs of delay information and doppler information may be limited within [N offset2 , N offset2 + N 1 /N 2 -1] or [N offset2 , (N offset2 +N 1 /N 2 -1) mod (N/N 2 ) ] .
  • the second delay range may be the same as or different from the first delay range.
  • the second doppler range may be the same as or different from the first doppler range.
  • the first set of pairs of delay information and doppler information may be indicated in many suitable manners as discussed below.
  • the first set may be: pair #a, pair #b, pair #c, pair #d.
  • the first set of pairs of delay information and doppler information may be indicated by a set of first indicators and a set of second indicators, where each first indicator may indicate a first value in delay domain and each second indicator may indicate a second value in doppler domain.
  • the set of first indicators, the set of second indicators are corresponding to the first set of pairs of delay information and doppler information.
  • the set of first indicators may be: first indicator #a, first indicator #b, first indicator #c, first indicator #d
  • the set of second indicators may be: second indicator #a, second indicator #b, second indicator #c, second indicator #d.
  • the measurement report (s) may comprise at least one first indication (e.g., indicating the first set of pairs of delay information and doppler information) , and the at least one first indication may comprise at least one first indicator indicating at least one first value (e.g., represented as m1.
  • m1 may be an integer.
  • the at least one first indication may also comprise at least one second indicator indicating at least one second value (e.g., represented as n1.
  • n1 may be an integer.
  • each second value n1 may be within a first range corresponding to the second domain.
  • the first set of pairs of delay information and doppler information may be indicated by a set of third indicators, each third indicator indicating a pair of values of a first indicator and a second indicator.
  • the set of third indicators is corresponding to the first set of pairs of delay information and doppler information.
  • the set of third indicators may be ⁇ first indicator #a, second indicator #a ⁇ , ⁇ first indicator #b, second indicator #b ⁇ , ⁇ first indicator #c, second indicator #c ⁇ , ⁇ first indicator #d, second indicator #d ⁇ .
  • the at least one first indication may comprise a third indicator corresponding to the first domain and the second domain.
  • the third indicator may comprise or may correspond to at least one pair of first value and second value.
  • the third indicator may comprise one value corresponding to one pair of first value and second value.
  • the first value indicated by the first indicator may be within a first delay range (e.g., [M offset1 , M offset1 +M 1 -1] or [M offset1 , (M offset1 +M 1 -1) mod M]) .
  • the first delay range may be determined based on a first offset in delay domain (e.g., represented as M offset1 ) and a first length of the first delay range (e.g., represented as M 1 ) .
  • the second value indicated by the second indicator may be within a first doppler range (e.g., [N offset1 , N offset1 +N 1 -1] or [N offset1 , (N offset1 +N 1 -1) mod N] ) .
  • the first doppler range may be determined based on a first offset in doppler domain (e.g., represented as N offset1 ) and a first length of the first doppler range (e.g., represented as N 1 ) .
  • the first set of pairs of delay information and doppler information may be indicated by a first indication or a third indicator indicating a first bitmap of the first set of pairs of delay information and doppler information, each bit in the first bitmap corresponding to a pair of delay information and doppler information.
  • the first indication or the first bitmap may be a bitmap with a size M 1 *N 1 . For example, in the first bitmap, each of the bits corresponding to the pair #a, pair #b, pair #c, pair #d is set to “1” .
  • the at least one first indication may comprise the third indicator corresponding to the first domain and the second domain, where the third indicator may be a first bitmap.
  • the size of the first bitmap may be M 1 *N 1 , and each bit in the first bitmap may correspond to one pair of first domain index and second domain index (or one pair of delay and doppler) , within the first range corresponding to the first domain and the first range corresponding to the second domain.
  • the at least one first indication may comprise at least one first indicator and at least one second indicator, each first indicator indicating a first value in delay domain and each second indicator indicating a second value in doppler domain.
  • the at least one first indication may comprise at least one third indicator, each third indicator indicating a pair of values of a first indicator and a second indicator or each third indicator indicating a value corresponding to a pair of first domain index and second domain index.
  • the at least one second indication may comprise at least one fourth indictor and at least one fifth indicator, each fourth indicator indicating a third value in delay domain and each fifth indicator indicating a fourth value in doppler domain.
  • the at least one second indication may comprise at least one sixth indicator, each sixth indicator indicating a pair of values of a fourth indicator and a fifth indicator or each sixth indicator indicating a value corresponding to a pair of first domain index and second domain index. Similar with the first set of pairs of delay information and doppler information, the second set of pairs of delay information and doppler information also may be indicated in many suitable manners as discussed below.
  • the second set of pairs of delay information and doppler information may be indicated by a set of fourth indicators and a set of fifth indicators, where each fourth indicator may indicate a third value in delay domain and each fifth indicator may indicate a fourth value in doppler domain.
  • the set of fourth indicators, the set of fifth indicators are corresponding to the second set of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information may be indicated by a set of sixth indicators, each sixth indicator indicating a pair of values of a fourth indicator and a fifth indicator.
  • the set of sixth indicators is corresponding to the second set of pairs of delay information and doppler information.
  • the sixth indicator may be a second bitmap.
  • the size of the second bitmap may be M 1 *N 1 / (M 2 *N 2 ) , and each bit in the second bitmap may correspond to one pair of first domain index and second domain index (or one pair of delay and doppler) , within the first range or second range corresponding to the first domain and the first range or second range corresponding to the second domain.
  • the third value indicated by the fourth indicator may be within the first delay range or within a second delay range (e.g., [M offset2 , M offset2 + M 1 /M 2 -1], or [M offset2 , (M offset2 + M 1 /M 2 -1) mod (M/M 2 ) ] ) .
  • the second delay range may be determined based on a second offset in delay domain (e.g., represented as M offset2 ) and/or M 2 .
  • the fourth value indicated by the fifth indicator may be within the first doppler range or within a second doppler range (e.g. [N offset2 , N offset2 +N 1 /N 2 -1] or [N offset2 , (N offset2 + N 1 /N 2 -1) mod (N/N 2 ) ] ) .
  • the second doppler range may be determined based on a second offset in doppler domain (e.g., represented as N offset2 ) and/or N 2 .
  • the second set of pairs of delay information and doppler information may be indicated by a second indication indicating a second bitmap of the first set of pairs of delay information and doppler information, each bit corresponding to a pair of delay information and doppler information.
  • the second indication or the second bitmap may be a bitmap with a size of (M 1 *N 1 ) / (M 2 *N 2 ) . For example, in this bitmap, each of the bits corresponding to the second set of pairs of delay information and doppler information is set to “1” .
  • the delay and/or doppler resolution may be designed to be fine and the accurate measurement maybe obtained thereby.
  • the reporting overhead may be reduced by limiting the reported information to the first/second range.
  • the pairs of delay information and doppler information may be divided into multiple groups of pairs of delay information and doppler information, such as, each group may comprise M 2 *N 2 pairs of delay information and doppler information.
  • M 2 may refer to the number of elements or indexes in delay domain.
  • N 2 may refer to the number of elements or indexes in doppler domain.
  • the second set of pairs of delay information and doppler information may comprise at least one group of pairs of delay information and doppler information (G 2 groups) , where each group may comprise a plurality of pairs of delay information and doppler information (M 2 *N 2 pairs of delay information and doppler information) .
  • the at least one group comprised in the second set of pairs of delay information and doppler information may be based on the first set of pairs of delay information and doppler information.
  • the first set of pairs of delay information and doppler information may be based on the at least one group comprised in the second set of pairs of delay information and doppler information.
  • the second set of pairs may be indicated by at least group identity corresponding to the at least one group, or a third indication indicating a bitmap of the at least one group, each bit corresponding to a group of pairs of delay information and doppler information.
  • the first set of pairs of delay information and doppler information may indicated by: at least one fourth indication, each fourth indication indicating a bitmap of a group of pairs, each bit corresponding to a pair of delay information and doppler information.
  • the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • the second set of pairs of delay information and doppler information may be a subset of the first set of pairs of delay information and doppler information.
  • the first set of pairs of delay information and doppler information may be a subset of the second set of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information may be selected based on the first set of pairs of delay information and doppler information. In some embodiments, the first set of pairs of delay information and doppler information may be selected based on the second set of pairs of delay information and doppler information.
  • the number of pairs in the first set of pairs of delay information and doppler information may be represented as P 1 .
  • the number of pairs in the second set of pairs of delay information and doppler information may be represented as P 2 .
  • the second set of pairs of delay information and doppler information may be a subset of the first set of pairs of delay information and doppler information.
  • FIG. 3B illustrated an example of the reporting information 300B.
  • the second set of pairs of delay information and doppler information may be selected based on the first set of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information also may be indicated based on the first set.
  • the second set of pairs of delay information and doppler information also may be indicated based on the first set.
  • the at least one first indication (used for indicating the first set of pairs of delay information and doppler information) may comprise at least one first value corresponding to the first domain and at least one second value corresponding to the second domain.
  • the measurement report (s) may comprise at least one second indication (i.e., indicating the second pairs of delay information and doppler information) , and the at least one second indication may comprise at least one third value selected from the at least one first values, and at least one fourth value selected from the at least one second values.
  • the first set of pairs of first value and second value may indicated by at least one pair of first value and second value, and thus the measurement report (s) may comprise a set of sixth indicators comprise at least one pair of fourth value and fifth value, where the at least one pair of fourth value and fifth value is selected from the at least one pair of first value and second value.
  • the measurement report (s) may comprise a third bitmap, wherein the size of the third bitmap may be P 1 , and each bit in the third bitmap may correspond to one pair of first domain index and second domain index (or one pair of delay and doppler) .
  • the pairs of delay information and doppler information may be divided into multiple groups of pairs of delay information and doppler information.
  • each group may comprise M 2 *N 2 pairs of delay information and doppler information.
  • M 2 may refer to the number of elements or indexes in delay domain.
  • N 2 may refer to the number of elements or indexes in doppler domain.
  • the second set of pairs of delay information and doppler information may be a group-based indication as discussed below.
  • the measurement report (s) may indicate G 2 groups of pairs of first domain indexes and second domain indexes.
  • G 2 may be positive integer.
  • each group of pairs may comprise M 2 *N 2 pairs of first domain indexes and second domain indexes, or M 2 first domain indexes, N 2 second domain indexes.
  • M 2 and N 2 may be positive integers.
  • 1 ⁇ M 2 ⁇ 32.
  • 1 ⁇ N 2 ⁇ 16.
  • the two dimensional range M 1 *N 1 may be divided into a plurality of groups. e.g., M 1 *N 1 / (M 2 *N 2 ) .
  • the two dimensional range M*N may be divided into a plurality of groups, e.g., M*N/ (M 2 *N 2 ) ) .
  • FIG. 5 illustrates an example of the reporting information 500.
  • the second set of pairs of delay information and doppler information is selected from the first set of pairs of delay information and doppler information, while the second set of pairs of delay information and doppler information corresponds to G 2 group of pairs.
  • the second set of pairs of delay information and doppler information may be indicated by at least one third value (e.g., represented as m2.
  • m2 may be an integer.
  • n2 may be an integer.
  • the at least one third value may correspond to a group of first domain indexes, and each third value m2 may be within a second range corresponding to the first domain (e.g., [M offset2 , M offset2 +M 1 /M 2 -1] or [M offset2 , (M offset2 +M 1 /M2-1) mod (M/M 2 ) ] ) .
  • the at least one fourth value may correspond to a group of second domain indexes, and each second value n2 may be within a second range corresponding to the second domain (e.g. [N offset2 , N offset2 +N 1 /N 2 -1] or [N offset2 , (N offset2 +N 1 /N 2 -1) mod (N/N 2 ) ] ) .
  • the second set of pairs of delay information and doppler information may be indicated by at least one pair of third value and fourth value.
  • the second set of pairs of delay information and doppler information may be indicated by a fourth bitmap, wherein the size of the second bitmap may be M 1 *N 1 / (M 2 *N 2 ) , and each bit in the fourth bitmap may correspond to one group of pairs of first domain indexes and second domain indexes, within the first or second range corresponding to the first domain and the second domain.
  • the first set of pairs of delay information and doppler information may be G 1 groups of pairs.
  • the G 2 groups of pairs may be selected from the G 1 groups of pairs and indicated by a bitmap with a size of G 1 .
  • G 2 G 1 .
  • the G 2 groups of pairs may be determined based on the P 1 pairs (or G 1 groups of pairs) and the value of P and Q.
  • the first set of pairs of delay information and doppler information may be determined from the second set of pairs of delay information and doppler information may be determined, as discussed below.
  • the second set of pairs of delay information and doppler information comprises G 2 groups of pairs of first domain indexes and second domain indexes.
  • G 2 may be positive integer.
  • FIG. 6 illustrates an example of the reporting information 600.
  • the first set of delay information and doppler information i.e., P 1
  • the G 2 groups may be determined based on the G 2 groups.
  • the second set of pairs of delay information and doppler information may be indicated by at least one third value (e.g., represented as m2) , at least one fourth value (e.g., represented as n2) .
  • each third value may correspond to a group of first domain indexes, and each third value m2 may be within a second range corresponding to the first domain (e.g., [M offset2 , M offset2 +M 1 /M 2 -1] or [M offset2 , (M offset2 +M 1 /M 2 -1) mod (M/M 2 ) ] ) .
  • each fourth value may correspond to a group of second domain indexes, and each second value n2 may be within a second range corresponding to the second domain (e.g. [N offset2 , N offset2 +N 1 /N 2 -1] or [N offset2 , (N offset2 +N 1 /N 2 -1) mod (N/N 2 ) ] ) .
  • the second set of pairs of delay information and doppler information may be indicated by at least one pair of third value and fourth value.
  • the second set of pairs of delay information and doppler information may be indicated by a fourth bitmap, wherein the size of the fourth bitmap may be M 1 *N 1 / (M 2 *N 2 ) , and each bit in the fourth bitmap may correspond to one group of pairs of first domain indexes and second domain indexes, within the first or second range corresponding to the first domain and the second domain.
  • the measurement report (s) may comprise first information corresponding to the first domain and second information corresponding to the second domain, wherein the first information may comprise at least one fifth value (e.g., represented as m3.
  • the second information corresponding to the second domain may comprise at least one sixth value (e.g., represented as n3.
  • the measurement report (s) may comprise third information comprise at least one pair of fifth value and sixth value.
  • the measurement report (s) may comprise at least fifth bitmap, where each fifth bitmap may be of a size of M 2 *N 2 , and each bit in the fifth bitmap may correspond to one pair of first domain index and second domain index.
  • the size of the at least fifth bitmap may be G 2 *M 2 *N 2 .
  • the measurement report (s) may comprise an indication of M offset1 .
  • the measurement report (s) may further comprise an indication of received power (e.g., reference signal receiving power, RSRP) .
  • the received power may correspond to one pair of delay/doppler indexes (e.g., a reference pair, for example the pair with largest power or largest amplitude coefficient) .
  • the quantization of the received power may reuse RSRP.
  • the pair of delay/doppler indexes may also be comprised in the measurement report (s) .
  • the P 2 pairs or G 2 groups of pairs of first domain indexes and second domain indexes may be associated with one set of first amplitude coefficients and/or one set of first phase coefficients, where each first amplitude coefficient corresponds to a pair of the P 2 pairs or a group of G 2 groups of pairs may be indicated based on B1 bits.
  • B1 may be a positive integer.
  • B1 may be 2 or 3 or 4.
  • the first amplitude coefficient may be at least one of In some embodiments, the power corresponding to one delay/doppler pair may be based on the first amplitude coefficient corresponding to the delay/doppler pair and the indication of the received power.
  • one pair of the P 1 -P 2 remaining pairs or one group of the G 1 -G 2 groups of pairs of first domain indexes and second domain indexes may not be associated with one amplitude coefficient and/or one phase coefficient and/or one first amplitude coefficient and/or one first phase coefficient.
  • the amplitude corresponding to the pair or the group may be assumed to be a first value X or less than X or no larger than X.
  • X may be or or 1/8 or 1/16.
  • one pair of the P 1 -P 2 remaining pairs or one group of the G 1 -G 2 groups of pairs of first domain indexes and second domain indexes may be associated with one second amplitude coefficient and/or one second phase coefficient.
  • each second amplitude coefficient corresponding to the P 1 -P 2 remaining pairs or one group of the G 1 -G 2 groups may be indicated based on B2 bits.
  • B2 ⁇ B1.
  • B2 may be at least one of ⁇ 1, 2, 3, 4 ⁇ .
  • the amplitude corresponding to the pair or the group may be based on the second amplitude coefficient and/or the first value X.
  • the amplitude corresponding to the pair or the group may be second amplitude coefficient multiplies the first value X.
  • the second amplitude coefficient may be at least one of In some embodiments, the second amplitude coefficient may be at least one of
  • the measurement report may further comprise the indication of the first value X, and the first value may be applied to the P 1 -P 2 pairs or the G 1 -G 2 groups of pairs.
  • the delay/doppler pair can be further measured with other configuration.
  • the maximum (allowed) reported number of pairs or groups of first domain indexes and second domain indexes may be Pair_max1, where Pair_max1 may be positive integer.
  • Pair_max1 may be positive integer.
  • the value of Pair_max1 may be configured by the second device or predetermined based on the value of M 1 and/or N 1 .
  • P 1 ⁇ Pair_max1.
  • the value of Pair_max2 may be configured by the second device or predetermined based on the value of M 1 and/or N 1 .
  • P 2 ⁇ Pair_max2.
  • the value of Pair_max2 may be no larger than the value of Pair_max1.
  • the measurement report may further comprise at least one third basis or at least one phase information corresponding to P ports of at least one CSI-RS resource, and one pair of first domain index and second domain index may be associated with the at least one third basis or a subset (one or more) of the at least one third basis, e.g., for a first type of report.
  • all the P ports may correspond to same first indication and same second indication.
  • P may be positive integer.
  • the measurement report may further comprise at least one port of the P ports, and one pair of first domain index and second domain index may be associated with the at least one port or a subset (one or more) of the at least one port, e.g., for a second type of report, such as (port selection report) , wherein each port may be at least one beam or at least one pair of beam and delay.
  • each one of the at least one port of the P ports may correspond to one first indication and one second indication.
  • the second node 120 may indicate a range of two dimensional elements to the first node 110 for the report (e.g., value of M 1 and/or value of N 1 ) , and the first node 110 may report the first set of pairs of delay information and doppler information within the range and/or at least one first amplitude coefficient (or at least one second amplitude coefficient) and at least one first phase coefficient (or at least one second phase coefficient) corresponding to the first set of pairs of delay information and doppler information to the second node 120.
  • the P ports of the at least one reference signal may be multiplexed based on the first domain and/or multiplexed based on the second domain, wherein each port may be mapped within a range of M 1 *N 1 elements of the first domain and the second domain, as illustrated in FIG. 7, which illustrates an example of the reporting information 700.
  • group may be represented as a range of [M_interval*AP1_i, M_interval*AP1_i+M 1 -1] in the first domain, and a range of [N_interval*AP2_i, N_interval*AP2_i+N 1 -1] , wherein AP1_i may be the index of the AP1 ports multiplexed in the first domain, and AP2_i may be the index of the AP2 ports multiplexed in the second domain.
  • AP1 may be positive integer.
  • AP2 may be positive integer.
  • AP1*AP2 P.
  • each port may comprise a sequence of L1 values in the first domain and/or a sequence of L2 values in the second domain.
  • L1 may be positive integer.
  • L2 may be positive integer.
  • N_interval may be fixed, e.g., fixed as 0 or N/2 for all the P ports.
  • the configuration information may further comprise the value of M_interval and/or the value of N_interval.
  • the measurement report (such as, the at least one first indication and/or the at least one second indication) may need to exclude the part of M_interval and N_interval.
  • different ports of the reference signal may be multiplexed with different values of comb offset, the comb offset values may be [0, 1, ..., comb-1] .
  • the configuration information may indicate related parameters/information to be used for the measurement report.
  • Example related parameters/information includes but are not limited to:
  • RS reference signal
  • the first transform comprises at least one of the following: a transform corresponding to OTFS, zak transform, symplectic finite fourier transform (SFFT) or inverse SFFT (ISFFT) ,
  • the second transform comprises at least one of the following: a transform to generate OFDM symbol or transmitting symbol, fast fourier transform (FFT) or inverse FFT (IFFT) ,
  • FFT fast fourier transform
  • IFFT inverse FFT
  • At least one parameter used for indicating a first doppler range corresponding to the first set of pairs of delay information and doppler information is not limited.
  • the configuration information may indicate at least one reference signal for channel measurement/report, wherein the at least one reference signal may be mapped on a range of two dimensional elements, wherein the range of two dimensional elements may comprise M elements in the first domain and N elements in the second domain.
  • M and N may be the parameters for a first transform (e.g., zak transform, ISFFT and SFFT) and M and N are positive integer.
  • M may be configured by the second node (e.g., a network device) or reported by the first node (e.g., a terminal device) .
  • N may be configured by the second node (e.g., network device) or reported by the first node (e.g., terminal device) .
  • the parameter M and/or parameter N may be pre-defined.
  • the parameter M and/or parameter N may be pre-defined by the communication organization (such as 3GPP) , or pre-defined by the network operator or service provider. In this way, no additional signaling is needed.
  • the parameter M and/or parameter N may be dynamically or semi-statically configured. For example, either the first node 110 or the second node 120 may determine the at least one rule and then inform at least one rule to the other node. Further, the parameter M and/or parameter N may be predetermined, e.g., based on at least one of value of frequency range, value of bandwidth and value of subcarrier spacing.
  • the at least one reference signal may comprise P ports, where P ⁇ ⁇ 1, 2, 4, 8, 12, 16, 24, 32, 64, 96, 128, 256, 512 ⁇ .
  • the configuration information may indicate at least one parameter (e.g., represented as N fft ) for performing a second transform, wherein the second transform comprises at least one of the following: a transform to generate OFDM symbol or transmitting symbol, FFT or IFFT.
  • N fft may be positive integer, e.g., 64 ⁇ N fft ⁇ 4096.
  • M 1024 or 1200.
  • M 3300 or 2048.
  • ⁇ f may be the value of subcarrier spacing, e.g. ⁇ f may be at least one of ⁇ 15, 30, 60, 120, 240, 480 960, 1920, 3840 ⁇ kHz.
  • T 1/ ⁇ f.
  • the resolution of the delay domain or the unit of the first domain may be comprised in or may be determined based on the configuration information.
  • the resolution of the doppler domain or the unit of the second domain may be comprised in or may be determined based on the configuration information.
  • the configuration information may indicate the value of M 1 (i.e., at least one parameter used for indicating a first delay range corresponding to the first set of pairs of delay information and doppler information) and/or N 1 (i.e., at least one parameter used for indicating a first doppler range corresponding to the first set of pairs of delay information and doppler information) .
  • the parameter M 1 and/or the parameter N 1 may be pre-defined.
  • the parameter M 1 and/or the parameter N 1 may be pre-defined by the communication organization (such as 3GPP) , or pre-defined by the network operator or service provider. In this way, no additional signaling is needed.
  • related parameters/information used for reporting the measurement report may be either configured by the second node 120 or reported by the first node 110.
  • Example related parameters/information includes but are not limited to:
  • FIG. 8 illustrates a flowchart of a communication method 800 implemented at a first node in accordance with some embodiments of the present disclosure. For the purpose of discussion, the method 800 will be described from the perspective of the first node 110 in FIG. 1.
  • the first node may receive, from a second node, configuration information for at least one measurement report.
  • the first node may transmit, to the second node, the at least one measurement report indicating the following: a first set of pairs of delay information and doppler information, and a second set of pairs of delay information and doppler information, wherein the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • the second set of pairs of delay information and doppler information is a subset of the first set of pairs of delay information and doppler information, or the first set of pairs of delay information and doppler information is a subset of the second set of pairs of delay information and doppler information.
  • the first set of pairs of delay information and doppler information is indicated by one of the following: a set of first indicators and a set of second indicators, each first indicator indicating a first value in delay domain and each second indicator indicating a second value in doppler domain, a set of third indicators, each third indicator indicating a pair of values of a first indicator and a second indicator, or a first indication indicating a bitmap of the first set of pairs of delay information and doppler information, each bit corresponding to a pair of delay information and doppler information, and wherein the set of first indicators, the set of second indicators, the set of third indicators and the first indicator are corresponding to the first set of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information is indicated by one of the following: a set of fourth indicators and a set of fifth indicators, each fourth indicator indicating a third value in delay domain and each fifth indicator indicating a fourth value in doppler domain, a set of sixth indicators, each sixth indicator indicating a pair of values of a fourth indicator and a fifth indicator, or a second indication indicating a bitmap of the first set of pairs of delay information and doppler information, each bit corresponding to a pair of delay information and doppler information, and wherein the set of fourth indicators, the set of fifth indicators, the set of sixth indicators and the second indicator are corresponding to the second set of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information comprises at least one group of pairs of delay information and doppler information, each group comprising a plurality of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information is indicated by at least one of the following: at least group identity corresponding to the at least one group, or a third indication indicating a bitmap of the at least one group, each bit corresponding to a group of pairs of delay information and doppler information.
  • the first set of pairs of delay information and doppler information is indicated by: at least one fourth indication, each fourth indication indicating a bitmap of a group of pairs, each bit corresponding to a pair of delay information and doppler information.
  • the at least one group is based on the first set of pairs of delay information and doppler information, or the first set of pairs of delay information and doppler information is based on the at least one group.
  • the at least one measurement report further indicates at least one of the following: a set of first amplitude coefficients associated with the second set of pairs of delay information and doppler information, each first amplitude coefficient corresponding to a pair of delay information and doppler information or a group of pairs, a set of first phase coefficients associated with the second set of pairs of delay information and doppler information, each first phase coefficient corresponding to a pair of delay information and doppler information or a group of pairs, a set of second amplitude coefficients associated with pairs included in the first set of pairs of delay information and not included in the second set of pairs of delay information and doppler information, each second amplitude coefficient corresponding to a pair of delay information and doppler information or a group of pairs, a set of second phase coefficients associated with pairs included in the first set of pairs of delay information and not included in the second set of pairs of delay information and doppler information, each second phase coefficient corresponding to a pair of delay information and doppler information or a group of pairs,
  • the configuration information indicates at least one of the following: at least one reference signal (RS) for the at least one measurement report, at least one parameter for performing a first transform, wherein the first transform comprises at least one of the following: zak transform, symplectic finite fourier transform (SFFT) or inverse SFFT (ISFFT) , at least one parameter for performing a second transform, wherein the second transform comprises at least one of the following: fast fourier transform (FFT) or inverse FFT (IFFT) , a resolution of the delay domain, a resolution of the doppler domain, at least one parameter used for indicating a first delay range corresponding to the first set of pairs of delay information and doppler information, at least one parameter used for indicating a first doppler range corresponding to the first set of pairs of delay information and doppler information.
  • RS reference signal
  • the first transform comprises at least one of the following: zak transform, symplectic finite fourier transform (SFFT) or inverse SFFT (I
  • At least one of the following is configured by the second node or reported by the first node: the supported maximum number of pairs corresponding to the first set of pairs of delay information and doppler information, the supported maximum number of pairs corresponding to the second set of pairs of delay information and doppler information, or the supported maximum number of groups of pairs corresponding to the second set of pairs of delay information and doppler information.
  • the first value indicated by the first indicator is within a first delay range
  • the first delay range is determined based on a first offset in delay domain and a first length of the first delay range
  • the second value indicated by the second indicator is within a first doppler range
  • the first doppler range is determined based on a first offset in doppler domain and a first length of the first doppler range
  • the third value indicated by the fourth indicator is within a second delay range
  • the second delay range is determined based on a second offset in delay domain and a second length of the second delay range
  • the fourth value indicated by the fifth indicator is within a second doppler range
  • the second doppler range is determined based on a second offset in doppler domain and a second length of the second doppler range
  • the second delay range is the same as or different from the first delay range
  • the second doppler range is the same as or different from the first doppler range.
  • the first node is a terminal device and the second node is a network device.
  • FIG. 9 illustrates a flowchart of a communication method 900 implemented at a second node in accordance with some embodiments of the present disclosure.
  • the method 900 will be described from the perspective of the second node 120 in FIG. 1.
  • the second node may transmit, to a first node, configuration information for at least one measurement report.
  • the second node may receive, from the second node, the at least one measurement report indicating the following: a first set of pairs of delay information and doppler information, and a second set of pairs of delay information and doppler information, wherein the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • the second set of pairs of delay information and doppler information is a subset of the first set of pairs of delay information and doppler information, or the first set of pairs of delay information and doppler information is a subset of the second set of pairs of delay information and doppler information.
  • the first set of pairs of delay information and doppler information is indicated by one of the following: a set of first indicators and a set of second indicators, each first indicator indicating a first value in delay domain and each second indicator indicating a second value in doppler domain, a set of third indicators, each third indicator indicating a pair of values of a first indicator and a second indicator, or a first indication indicating a bitmap of the first set of pairs of delay information and doppler information, each bit corresponding to a pair of delay information and doppler information, and wherein the set of first indicators, the set of second indicators, the set of third indicators and the first indicator are corresponding to the first set of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information is indicated by one of the following: a second set of t fourth indicators and a set of fifth indicators, each fourth indicator indicating a third value in delay domain and each fifth indicator indicating a fourth value in doppler domain, a set of sixth indicators, each sixth indicator indicating a pair of values of a fourth indicator and a fifth indicator, or a second indication indicating a bitmap of the first set of pairs of delay information and doppler information, each bit corresponding to a pair of delay information and doppler information, and wherein the set of fourth indicators, the set of fifth indicators, the set of sixth indicators and the second indicator are corresponding to the second set of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information comprises at least one group of pairs of delay information and doppler information, each group comprising a plurality of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information is indicated by at least one of the following: at least group identity corresponding to the at least one group, or a third indication indicating a bitmap of the at least one group, each bit corresponding to a group of pairs of delay information and doppler information.
  • the first set of pairs of delay information and doppler information is indicated by: at least one fourth indication, each fourth indication indicating a bitmap of a group of pairs, each bit corresponding to a pair of delay information and doppler information.
  • the at least one group is based on the first set of pairs of delay information and doppler information, or the first set of pairs of delay information and doppler information is based on the at least one group.
  • the at least one measurement report further indicates at least one of the following: a set of first amplitude coefficients associated with the second set of pairs of delay information and doppler information, each first amplitude coefficient corresponding to a pair of delay information and doppler information or a group of pairs, a set of first phase coefficients associated with the second set of pairs of delay information and doppler information, each first phase coefficient corresponding to a pair of delay information and doppler information or a group of pairs, a set of second amplitude coefficients associated with pairs included in the first set of pairs of delay information and not included in the second set of pairs of delay information and doppler information, each second amplitude coefficient corresponding to a pair of delay information and doppler information or a group of pairs, a set of second phase coefficients associated with pairs included in the first set of pairs of delay information and not included in the second set of pairs of delay information and doppler information, each second phase coefficient corresponding to a pair of delay information and doppler information or a group of pairs,
  • the configuration information indicates at least one of the following: at least one reference signal (RS) for the at least one measurement report, at least one parameter for performing a first transform, wherein the first transform comprises at least one of the following: zak transform, symplectic finite fourier transform (SFFT) or inverse SFFT (ISFFT) , at least one parameter for performing a second transform, wherein the second transform comprises at least one of the following: fast fourier transform (FFT) or inverse FFT (IFFT) , a resolution of the delay domain, a resolution of the doppler domain, at least one parameter used for indicating a first delay range corresponding to the first set of pairs of delay information and doppler information, at least one parameter used for indicating a first doppler range corresponding to the first set of pairs of delay information and doppler information.
  • RS reference signal
  • the first transform comprises at least one of the following: zak transform, symplectic finite fourier transform (SFFT) or inverse SFFT (I
  • At least one of the following is configured by the second node or reported by the first node: the supported maximum number of pairs corresponding to the first set of pairs of delay information and doppler information, the supported maximum number of pairs corresponding to the second pairs of delay information and doppler information, or the supported maximum number of groups of pairs corresponding to the second pairs of delay information and doppler information.
  • the first value indicated by the first indicator is within a first delay range
  • the first delay range is determined based on a first offset in delay domain and a first length of the first delay range
  • the second value indicated by the second indicator is within a first doppler range
  • the first doppler range is determined based on a first offset in doppler domain and a first length of the first doppler range
  • the third value indicated by the fourth indicator is within a second delay range
  • the second delay range is determined based on a second offset in delay domain and a second length of the second delay range
  • the fourth value indicated by the fifth indicator is within a second doppler range
  • the second doppler range is determined based on a second offset in doppler domain and a second length of the second doppler range
  • the second delay range is the same as or different from the first delay range
  • the second doppler range is the same as or different from the first doppler range.
  • the first node is a terminal device and the second node is a network device.
  • FIG. 10 is a simplified block diagram of a device 1000 that is suitable for implementing embodiments of the present disclosure.
  • the device 1000 can be considered as a further example implementation of any of the devices as shown in FIG. 1. Accordingly, the device 1000 can be implemented at or as at least a part of the first node 110 and the second node 120.
  • the device 1000 includes a processor 1010, a memory 1020 coupled to the processor 1010, a suitable transceiver 1040 coupled to the processor 1010, and a communication interface coupled to the transceiver 1040.
  • the memory 1020 stores at least a part of a program 1030.
  • the transceiver 1040 may be for bidirectional communications or a unidirectional communication based on requirements.
  • the transceiver 1040 may include at least one of a transmitter 1042 and a receiver 1044.
  • the transmitter 1042 and the receiver 1044 may be functional modules or physical entities.
  • the transceiver 1040 has at least one antenna to facilitate communication, though in practice an Access Node mentioned in this application may have several ones.
  • the communication interface may represent any interface that is necessary for communication with other network elements, such as X2/Xn interface for bidirectional communications between eNBs/gNBs, S1/NG interface for communication between a Mobility Management Entity (MME) /Access and Mobility Management Function (AMF) /SGW/UPF and the eNB/gNB, Un interface for communication between the eNB/gNB and a relay node (RN) , or Uu interface for communication between the eNB/gNB and a terminal device.
  • MME Mobility Management Entity
  • AMF Access and Mobility Management Function
  • RN relay node
  • Uu interface for communication between the eNB/gNB and a terminal device.
  • the program 1030 is assumed to include program instructions that, when executed by the associated processor 1010, enable the device 1000 to operate in accordance with the embodiments of the present disclosure, as discussed herein with reference to FIGS. 1 to 10.
  • the embodiments herein may be implemented by computer software executable by the processor 1010 of the device 1000, or by hardware, or by a combination of software and hardware.
  • the processor 1010 may be configured to implement various embodiments of the present disclosure.
  • a combination of the processor 1010 and memory 1020 may form processing means 1050 adapted to implement various embodiments of the present disclosure.
  • the memory 1020 may be of any type suitable to the local technical network and may be implemented using any suitable data storage technology, such as a non-transitory computer readable storage medium, semiconductor based memory devices, magnetic memory devices and systems, optical memory devices and systems, fixed memory and removable memory, as non-limiting examples. While only one memory 1020 is shown in the device 1000, there may be several physically distinct memory modules in the device 1000.
  • the processor 1010 may be of any type suitable to the local technical network, and may include one or more of general purpose computers, special purpose computers, microprocessors, digital signal processors (DSPs) and processors based on multicore processor architecture, as non-limiting examples.
  • the device 1000 may have multiple processors, such as an application specific integrated circuit chip that is slaved in time to a clock which synchronizes the main processor.
  • a first node comprising a circuitry.
  • the circuitry is configured to: receive, from a second node, configuration information for at least one measurement report; and transmit, to the second node, the at least one measurement report indicating the following: a first set of pairs of delay information and doppler information, and a second set of pairs of delay information and doppler information, wherein the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • the circuitry may be configured to perform any method implemented by the first node as discussed above.
  • a second node comprising a circuitry.
  • the circuitry is configured to: transmit, to a first node, configuration information for at least one measurement report; and receive, from the second node, the at least one measurement report indicating the following: a first set of pairs of delay information and doppler information, and a second set of pairs of delay information and doppler information, wherein the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • the circuitry may be configured to perform any method implemented by the second node as discussed above.
  • circuitry used herein may refer to hardware circuits and/or combinations of hardware circuits and software.
  • the circuitry may be a combination of analog and/or digital hardware circuits with software/firmware.
  • the circuitry may be any portions of hardware processors with software including digital signal processor (s) , software, and memory (ies) that work together to cause an apparatus, such as a terminal device or a network device, to perform various functions.
  • the circuitry may be hardware circuits and or processors, such as a microprocessor or a portion of a microprocessor, that requires software/firmware for operation, but the software may not be present when it is not needed for operation.
  • the term circuitry also covers an implementation of merely a hardware circuit or processor (s) or a portion of a hardware circuit or processor (s) and its (or their) accompanying software and/or firmware.
  • a first node comprises means for receiving, from a second node, configuration information for at least one measurement report; and means for transmitting, to the second node, the at least one measurement report indicating the following: means for a first set of pairs of delay information and doppler information, and means for a second set of pairs of delay information and doppler information, means for wherein the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • the first apparatus may comprise means for performing the respective operations of the method 800.
  • the first apparatus may further comprise means for performing other operations in some example embodiments of the method 800.
  • the means may be implemented in any suitable form.
  • the means may be implemented in a circuitry or software module.
  • a second node comprises means for transmitting, to a first node, configuration information for at least one measurement report; and means for receiving, from the second node, the at least one measurement report indicating the following: means for a first set of pairs of delay information and doppler information, and means for a second set of pairs of delay information and doppler information, means for wherein the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • the second apparatus may comprise means for performing the respective operations of the method 900.
  • the second apparatus may further comprise means for performing other operations in some example embodiments of the method 900.
  • the means may be implemented in any suitable form.
  • the means may be implemented in a circuitry or software module.
  • embodiments of the present disclosure provide the following aspects.
  • a first node comprising: a processor configured to cause the first node to: receive, from a second node, configuration information for at least one measurement report; and transmit, to the second node, the at least one measurement report indicating the following: a first set of pairs of delay information and doppler information, and a second set of pairs of delay information and doppler information, wherein the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • the second set of pairs of delay information and doppler information is a subset of the first set of pairs of delay information and doppler information, or the first set of pairs of delay information and doppler information is a subset of the second set of pairs of delay information and doppler information.
  • the first set of pairs of delay information and doppler information is indicated by one of the following: a set of first indicators and a set of second indicators, each first indicator indicating a first value in delay domain and each second indicator indicating a second value in doppler domain, a set of third indicators, each third indicator indicating a pair of values of a first indicator and a second indicator, or a first indication indicating a bitmap of the first set of pairs of delay information and doppler information, each bit corresponding to a pair of delay information and doppler information, and wherein the set of first indicators, the set of second indicators, the set of third indicators and the first indicator are corresponding to the first set of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information is indicated by one of the following: a set of fourth indicators and a set of fifth indicators, each fourth indicator indicating a third value in delay domain and each fifth indicator indicating a fourth value in doppler domain, a set of sixth indicators, each sixth indicator indicating a pair of values of a fourth indicator and a fifth indicator, or a second indication indicating a bitmap of the first set of pairs of delay information and doppler information, each bit corresponding to a pair of delay information and doppler information, and wherein the set of fourth indicators, the set of fifth indicators, the set of sixth indicators and the second indicator are corresponding to the second set of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information comprises at least one group of pairs of delay information and doppler information, each group comprising a plurality of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information is indicated by at least one of the following: at least group identity corresponding to the at least one group, or a third indication indicating a bitmap of the at least one group, each bit corresponding to a group of pairs of delay information and doppler information.
  • the first set of pairs of delay information and doppler information is indicated by: at least one fourth indication, each fourth indication indicating a bitmap of a group of pairs, each bit corresponding to a pair of delay information and doppler information.
  • the at least one group is based on the first set of pairs of delay information and doppler information, or the first set of pairs of delay information and doppler information is based on the at least one group.
  • the at least one measurement report further indicates at least one of the following: a set of first amplitude coefficients associated with the second set of pairs of delay information and doppler information, each first amplitude coefficient corresponding to a pair of delay information and doppler information or a group of pairs, a set of first phase coefficients associated with the second set of pairs of delay information and doppler information, each first phase coefficient corresponding to a pair of delay information and doppler information or a group of pairs, a set of second amplitude coefficients associated with pairs included in the first set of pairs of delay information and not included in the second set of pairs of delay information and doppler information, each second amplitude coefficient corresponding to a pair of delay information and doppler information or a group of pairs, a set of second phase coefficients associated with pairs included in the first set of pairs of delay information and not included in the second set of pairs of delay information and doppler information, each second phase coefficient corresponding to a pair of delay information and doppler information or a group of pairs, at
  • the configuration information indicates at least one of the following: at least one reference signal (RS) for the at least one measurement report, at least one parameter for performing a first transform, wherein the first transform comprises at least one of the following: zak transform, symplectic finite fourier transform (SFFT) or inverse SFFT (ISFFT) , at least one parameter for performing a second transform, wherein the second transform comprises at least one of the following: fast fourier transform (FFT) or inverse FFT (IFFT) , a resolution of the delay domain, a resolution of the doppler domain, at least one parameter used for indicating a first delay range corresponding to the first set of pairs of delay information and doppler information, at least one parameter used for indicating a first doppler range corresponding to the first set of pairs of delay information and doppler information.
  • RS reference signal
  • the first transform comprises at least one of the following: zak transform, symplectic finite fourier transform (SFFT) or inverse SFFT (I
  • At least one of the following is configured by the second node or reported by the first node: the supported maximum number of pairs corresponding to the first set of pairs of delay information and doppler information, the supported maximum number of pairs corresponding to the second set of pairs of delay information and doppler information, or the supported maximum number of groups of pairs corresponding to the second set of pairs of delay information and doppler information.
  • the first value indicated by the first indicator is within a first delay range
  • the first delay range is determined based on a first offset in delay domain and a first length of the first delay range
  • the second value indicated by the second indicator is within a first doppler range
  • the first doppler range is determined based on a first offset in doppler domain and a first length of the first doppler range
  • the third value indicated by the fourth indicator is within a second delay range
  • the second delay range is determined based on a second offset in delay domain and a second length of the second delay range
  • the fourth value indicated by the fifth indicator is within a second doppler range
  • the second doppler range is determined based on a second offset in doppler domain and a second length of the second doppler range
  • the second delay range is the same as or different from the first delay range
  • the second doppler range is the same as or different from the first doppler range.
  • the first node is a terminal device and the second node is a network device.
  • a second node comprising: a processor configured to cause the second node to: transmit, to a first node, configuration information for at least one measurement report; and receive, from the second node, the at least one measurement report indicating the following: a first set of pairs of delay information and doppler information, and a second set of pairs of delay information and doppler information, wherein the first set and the second set of pairs of delay information and doppler information are correlated with each other.
  • the second set of pairs of delay information and doppler information is a subset of the first set of pairs of delay information and doppler information, or the first set of pairs of delay information and doppler information is a subset of the second set of pairs of delay information and doppler information.
  • the first set of pairs of delay information and doppler information is indicated by one of the following: a set of first indicators and a set of second indicators, each first indicator indicating a first value in delay domain and each second indicator indicating a second value in doppler domain, a set of third indicators, each third indicator indicating a pair of values of a first indicator and a second indicator, or a first indication indicating a bitmap of the first set of pairs of delay information and doppler information, each bit corresponding to a pair of delay information and doppler information, and wherein the set of first indicators, the set of second indicators, the set of third indicators and the first indicator are corresponding to the first set of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information is indicated by one of the following: a second set of t fourth indicators and a set of fifth indicators, each fourth indicator indicating a third value in delay domain and each fifth indicator indicating a fourth value in doppler domain, a set of sixth indicators, each sixth indicator indicating a pair of values of a fourth indicator and a fifth indicator, or a second indication indicating a bitmap of the first set of pairs of delay information and doppler information, each bit corresponding to a pair of delay information and doppler information, and wherein the set of fourth indicators, the set of fifth indicators, the set of sixth indicators and the second indicator are corresponding to the second set of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information comprises at least one group of pairs of delay information and doppler information, each group comprising a plurality of pairs of delay information and doppler information.
  • the second set of pairs of delay information and doppler information is indicated by at least one of the following: at least group identity corresponding to the at least one group, or a third indication indicating a bitmap of the at least one group, each bit corresponding to a group of pairs of delay information and doppler information.
  • the first set of pairs of delay information and doppler information is indicated by: at least one fourth indication, each fourth indication indicating a bitmap of a group of pairs, each bit corresponding to a pair of delay information and doppler information.
  • the at least one group is based on the first set of pairs of delay information and doppler information, or the first set of pairs of delay information and doppler information is based on the at least one group.
  • the at least one measurement report further indicates at least one of the following: a set of first amplitude coefficients associated with the second set of pairs of delay information and doppler information, each first amplitude coefficient corresponding to a pair of delay information and doppler information or a group of pairs, a set of first phase coefficients associated with the second set of pairs of delay information and doppler information, each first phase coefficient corresponding to a pair of delay information and doppler information or a group of pairs, a set of second amplitude coefficients associated with pairs included in the first set of pairs of delay information and not included in the second set of pairs of delay information and doppler information, each second amplitude coefficient corresponding to a pair of delay information and doppler information or a group of pairs, a set of second phase coefficients associated with pairs included in the first set of pairs of delay information and not included in the second set of pairs of delay information and doppler information, each second phase coefficient corresponding to a pair of delay information and doppler information or a group of pairs, at
  • the configuration information indicates at least one of the following: at least one reference signal (RS) for the at least one measurement report, at least one parameter for performing a first transform, wherein the first transform comprises at least one of the following: zak transform, symplectic finite fourier transform (SFFT) or inverse SFFT (ISFFT) , at least one parameter for performing a second transform, wherein the second transform comprises at least one of the following: fast fourier transform (FFT) or inverse FFT (IFFT) , a resolution of the delay domain, a resolution of the doppler domain, at least one parameter used for indicating a first delay range corresponding to the first set of pairs of delay information and doppler information, at least one parameter used for indicating a first doppler range corresponding to the first set of pairs of delay information and doppler information.
  • RS reference signal
  • the first transform comprises at least one of the following: zak transform, symplectic finite fourier transform (SFFT) or inverse SFFT (I
  • At least one of the following is configured by the second node or reported by the first node: the supported maximum number of pairs corresponding to the first set of pairs of delay information and doppler information, the supported maximum number of pairs corresponding to the second pairs of delay information and doppler information, or the supported maximum number of groups of pairs corresponding to the second pairs of delay information and doppler information.
  • the first value indicated by the first indicator is within a first delay range
  • the first delay range is determined based on a first offset in delay domain and a first length of the first delay range
  • the second value indicated by the second indicator is within a first doppler range
  • the first doppler range is determined based on a first offset in doppler domain and a first length of the first doppler range
  • the third value indicated by the fourth indicator is within a second delay range
  • the second delay range is determined based on a second offset in delay domain and a second length of the second delay range
  • the fourth value indicated by the fifth indicator is within a second doppler range
  • the second doppler range is determined based on a second offset in doppler domain and a second length of the second doppler range
  • the second delay range is the same as or different from the first delay range
  • the second doppler range is the same as or different from the first doppler range.
  • the first node is a terminal device and the second node is a network device.
  • a first node comprises: at least one processor; and at least one memory coupled to the at least one processor and storing instructions thereon, the instructions, when executed by the at least one processor, causing the device to perform the method implemented by the first node discussed above.
  • a second node comprises: at least one processor; and at least one memory coupled to the at least one processor and storing instructions thereon, the instructions, when executed by the at least one processor, causing the device to perform the method implemented by the second node discussed above.
  • a computer readable medium having instructions stored thereon, the instructions, when executed on at least one processor, causing the at least one processor to perform the method implemented by the first node discussed above.
  • a computer readable medium having instructions stored thereon, the instructions, when executed on at least one processor, causing the at least one processor to perform the method implemented by the second node discussed above.
  • a computer program comprising instructions, the instructions, when executed on at least one processor, causing the at least one processor to perform the method implemented by the first node discussed above.
  • a computer program comprising instructions, the instructions, when executed on at least one processor, causing the at least one processor to perform the method implemented by the second node discussed above.
  • various embodiments of the present disclosure may be implemented in hardware or special purpose circuits, software, logic or any combination thereof. Some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software which may be executed by a controller, microprocessor or other computing device. While various aspects of embodiments of the present disclosure are illustrated and described as block diagrams, flowcharts, or using some other pictorial representation, it will be appreciated that the blocks, apparatus, systems, techniques or methods described herein may be implemented in, as non-limiting examples, hardware, software, firmware, special purpose circuits or logic, general purpose hardware or controller or other computing devices, or some combination thereof.
  • the present disclosure also provides at least one computer program product tangibly stored on a non-transitory computer readable storage medium.
  • the computer program product includes computer-executable instructions, such as those included in program modules, being executed in a device on a target real or virtual processor, to carry out the process or method as described above with reference to FIGS. 1 to 10.
  • program modules include routines, programs, libraries, objects, classes, components, data structures, or the like that perform particular tasks or implement particular abstract data types.
  • the functionality of the program modules may be combined or split between program modules as desired in various embodiments.
  • Machine-executable instructions for program modules may be executed within a local or distributed device. In a distributed device, program modules may be located in both local and remote storage media.
  • Program code for carrying out methods of the present disclosure may be written in any combination of one or more programming languages. These program codes may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the program codes, when executed by the processor or controller, cause the functions/operations specified in the flowcharts and/or block diagrams to be implemented.
  • the program code may execute entirely on a machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
  • the above program code may be embodied on a machine readable medium, which may be any tangible medium that may contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
  • the machine readable medium may be a machine readable signal medium or a machine readable storage medium.
  • a machine readable medium may include but not limited to an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing.
  • machine readable storage medium More specific examples of the machine readable storage medium would include an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access memory (RAM) , a read-only memory (ROM) , an erasable programmable read-only memory (EPROM or Flash memory) , an optical fiber, a portable compact disc read-only memory (CD-ROM) , an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
  • RAM random access memory
  • ROM read-only memory
  • EPROM or Flash memory erasable programmable read-only memory
  • CD-ROM portable compact disc read-only memory
  • magnetic storage device or any suitable combination of the foregoing.

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Abstract

Des modes de réalisation de la présente divulgation concernent une solution pour configurer et transmettre des informations de canal. Dans une solution, un premier nœud reçoit, en provenance d'un second nœud, des informations de configuration pour au moins un rapport de mesure ; et transmet, au second nœud, le ou les rapports de mesure indiquant les éléments suivants : un premier ensemble de paires d'informations de retard et d'informations Doppler, et un second ensemble de paires d'informations de retard et d'informations Doppler, le premier ensemble et le second ensemble de paires d'informations de retard et d'informations Doppler étant corrélés l'un à l'autre.
PCT/CN2023/107996 2023-07-18 2023-07-18 Dispositifs et procédés de communication Pending WO2025015531A1 (fr)

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CN120151160A (zh) * 2025-02-24 2025-06-13 东南大学 通感一体系统目标检测和参数估计方法

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