WO2024060077A1 - Procédé et appareil de détection et de communication intégrées - Google Patents

Procédé et appareil de détection et de communication intégrées Download PDF

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Publication number
WO2024060077A1
WO2024060077A1 PCT/CN2022/120266 CN2022120266W WO2024060077A1 WO 2024060077 A1 WO2024060077 A1 WO 2024060077A1 CN 2022120266 W CN2022120266 W CN 2022120266W WO 2024060077 A1 WO2024060077 A1 WO 2024060077A1
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WO
WIPO (PCT)
Prior art keywords
sensing
request
target area
related service
perform
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PCT/CN2022/120266
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English (en)
Inventor
Lianhai WU
Jianfeng Wang
Haiming Wang
Luning Liu
Zhi YAN
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Lenovo (Beijing) Limited
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Priority to PCT/CN2022/120266 priority Critical patent/WO2024060077A1/fr
Publication of WO2024060077A1 publication Critical patent/WO2024060077A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0006—Assessment of spectral gaps suitable for allocating digitally modulated signals, e.g. for carrier allocation in cognitive radio

Definitions

  • Embodiments of the present disclosure generally relate to communication technology, and more particularly to integrated sensing and communication in a wireless communication system.
  • Wireless communication systems are widely deployed to provide various telecommunication services, such as telephony, video, data, messaging, broadcasts, and so on.
  • Wireless communication systems may employ multiple access technologies capable of supporting communication with multiple users by sharing available system resources (e.g., time, frequency, and power) .
  • Examples of wireless communication systems may include fourth generation (4G) systems, such as long term evolution (LTE) systems, LTE-advanced (LTE-A) systems, or LTE-A Pro systems, and fifth generation (5G) systems which may also be referred to as new radio (NR) systems.
  • 4G systems such as long term evolution (LTE) systems, LTE-advanced (LTE-A) systems, or LTE-A Pro systems
  • 5G systems which may also be referred to as new radio (NR) systems.
  • Wireless sensing technologies aim to acquire information about a remote object and its characteristics without physically contacting it.
  • the perception data of the object can be utilized for analysis, so that meaningful information about the object and its characteristics can be obtained.
  • Radar is a widely used wireless sensing technology that uses radio waves to determine the distance (range) , angle, or instantaneous linear velocity of objects.
  • RF radio frequency
  • RF radio frequency
  • Integrated sensing and communication may refer to that the sensing capabilities are provided by the same wireless communication system and infrastructure (e.g., 5G NR) as used for communication, and the sensing information could be derived from RF-based and/or non-RF based sensors.
  • the sensing information could be derived from RF-based and/or non-RF based sensors.
  • it could involve scenarios of communication assisted sensing, for example, where a communication system (e.g., 5G system) provides sensing services or sensing assisted communication, or when the sensing information related to the communication channel or environment is used to improve the communication service of the communication system itself, or the sensing information can be used to assist radio resource management, interference mitigation, beam management, mobility, etc.
  • Mobile operators can also play an important role in providing the integrated sensing and communication (e.g., based on the 5G system) to customers, including, for example, the management and control of the 5G-based sensing services.
  • the UE may include: a transceiver; and a processor coupled to the transceiver.
  • the processor may be configured to: receive, from an upper layer of the UE or a network node, a request to perform sensing in a target area; and perform a sensing task in response to the request to perform sensing.
  • the BS may include: a transceiver; and a processor coupled to the transceiver.
  • the processor may be configured to: receive, from a network node, a request for a sensing related service; and transmit, to at least one user equipment (UE) , a request to perform sensing in response to the request for the sensing related service; wherein the request for the sensing related service indicates at least one of the following: area information indicating a target area in which the sensing is to be performed; an accuracy requirement for the sensing related service; a total number of UEs performing sensing for the sensing related service; ID (s) of at least one UE performing sensing for the sensing related service; a speed threshold for a UE performing sensing for the sensing related service; a link quality threshold for a UE performing sensing for the sensing related service; or the number of UEs performing sensing for the sensing related service per a sub-area of the target area.
  • the area information indicates an ID of the target area or a list of cells covering the target area.
  • the total number of UEs is defined as the number of UEs per cell or per BS, or indicates as a value range, or indicates as a minimum number of UEs.
  • the processor is further configured to perform at least one of the following: transmitting an ID of a UE of the at least one UE which leaves the target area to the network node; receiving a leaving indication from the UE of the at least one UE; receiving a measurement result related to the sensing from the UE of the at least one UE; or transmitting the measurement result related to the sensing to the network node.
  • the processor is further configured to: in response to the number of connected UEs served by the BS fails to satisfy the request for the sensing related service, transmit a request for employing an inactive or idle UE to the network node; and receive a UE ID of the inactive or idle UE from the network node.
  • the request for employing an inactive or idle UE indicates the number of connected UEs served by the BS or the number of additional UEs required for satisfying the request for the sensing related service.
  • the network node is an access and mobility management function (AMF) or a sensing function (SF) .
  • AMF access and mobility management function
  • SF sensing function
  • the network node may include: a transceiver; and a processor coupled to the transceiver.
  • the processor may be configured to: transmit, to a base station (BS) , a request for a sensing related service, wherein the request for the sensing related service indicates at least one of the following: area information indicating a target area in which the sensing is to be performed; an accuracy requirement for the sensing related service; a total number of UEs performing sensing for the sensing related service; ID (s) of at least one UE performing sensing for the sensing related service; a speed threshold for a UE performing sensing for the sensing related service; a link quality threshold for a UE performing sensing for the sensing related service; or the number of UEs performing sensing for the sensing related service per a sub-area of the target area; and receive, from the BS, a measurement result related to the sensing related service, an ID of a UE performing sensing for the sensing related service, an ID of a UE performing sens
  • the network node is an access and mobility management function (AMF) .
  • the network node is a sensing function (SF) , and the request for a sensing related service is transmitted to the BS via the AMF.
  • AMF access and mobility management function
  • SF sensing function
  • the area information indicates an ID of the target area or a list of cells covering the target area.
  • the total number of UEs is defined as the number of UEs per cell or per BS, or indicates as a value range, or indicates as a minimum number of UEs.
  • Some embodiments of the present disclosure provide a method performed by a UE.
  • the method may include: receiving, from an upper layer of the UE or a network node, a request to perform sensing in a target area; and performing a sensing task in response to the request to perform sensing.
  • the sensing task includes at least one of the following: receiving a downlink (DL) reference signal (RS) for the sensing; reporting a measurement result related to the sensing; or transmitting an uplink (UL) RS for the sensing to a serving cell of the UE, a neighbor cell or both.
  • DL downlink
  • UL uplink
  • the request includes area information indicating the target area.
  • the method further includes transiting to a connected state in response to the UE being in an inactive or idle state.
  • transiting to the connected state includes performing cell reselection based on the area information. Performing the cell reselection based on the area information includes at least one of: selecting a suitable cell belonging to the target area for connection setup; or stopping transition from the inactive or idle state to a connected state in response to unable to find a suitable cell belonging to the target area.
  • performing the sensing task includes performing the sensing task when the UE is in a connected state, an inactive state, or an idle state.
  • the method further includes performing at least one of the following when the UE leaves the target area: transiting from an inactive or idle state to a connected state in the case that the UE performs the sensing task in an inactive or idle state; transmitting a leaving indication to a base station (BS) ; or transmitting a measurement result related to the sensing to the BS.
  • BS base station
  • the target area is a part of a cell or includes one or more than one cells.
  • the method further includes: receiving a handover command indicating a target cell; and in response to the target cell belonging to the target area, performing at least one of: keeping configuration associated with the sensing; or continuing performing the sensing task during the handover, after the handover, or both.
  • the method further includes: receiving a handover command indicating a target cell; and in response to the target cell not belonging to the target area, performing at least one of: releasing the configuration associated with the sensing; or stopping the sensing task.
  • the request includes area information indicating the target area.
  • the method further includes selecting a suitable cell for reestablishment based on the area information in response to initiating a reestablishment procedure at the UE.
  • the method further includes in response to the suitable cell belonging to the target area, performing at least one of: keeping configuration associated with the sensing; or continuing performing the sensing task during the reestablishment, after the reestablishment, or both; or in response to the suitable cell not belonging to the target area, perform at least one of: releasing the configuration associated with the sensing; or stopping the sensing task.
  • selecting the suitable cell for reestablishment based on the area information includes preferentially selecting a cell which belongs to the target area among a plurality of suitable cells for reestablishment.
  • the request indicates an ID of the target area or a list of cells covering the target area.
  • the network node is an access and mobility management function (AMF) or a sensing function (SF) .
  • AMF access and mobility management function
  • SF sensing function
  • Some embodiments of the present disclosure provide a method performed by a BS.
  • the method may include: receiving, from a network node, a request for a sensing related service; and transmitting, to at least one user equipment (UE) , a request to perform sensing in response to the request for the sensing related service; wherein the request for the sensing related service indicates at least one of the following: area information indicating a target area in which the sensing is to be performed; an accuracy requirement for the sensing related service; a total number of UEs performing sensing for the sensing related service; ID (s) of at least one UE performing sensing for the sensing related service; a speed threshold for a UE performing sensing for the sensing related service; a link quality threshold for a UE performing sensing for the sensing related service; or the number of UEs performing sensing for the sensing related service per a sub-area of the target area.
  • the area information indicates an ID of the target area or a list of cells covering the target area.
  • the total number of UEs is defined as the number of UEs per cell or per BS, or indicates as a value range, or indicates as a minimum number of UEs.
  • the method further includes at least one of the following: transmitting an ID of a UE of the at least one UE which leaves the target area to the network node; receiving a leaving indication from the UE of the at least one UE; receiving a measurement result related to the sensing from the UE of the at least one UE; or transmitting the measurement result related to the sensing to the network node.
  • the method further includes: in response to the number of connected UEs served by the BS fails to satisfy the request for the sensing related service, transmitting a request for employing an inactive or idle UE to the network node; and receiving a UE ID of the inactive or idle UE from the network node.
  • the request for employing an inactive or idle UE indicates the number of connected UEs served by the BS or the number of additional UEs required for satisfying the request for the sensing related service.
  • the network node is an access and mobility management function (AMF) or a sensing function (SF) .
  • AMF access and mobility management function
  • SF sensing function
  • Some embodiments of the present disclosure provide a method performed by a network node.
  • the method may include: transmitting, to a base station (BS) , a request for a sensing related service, wherein the request for the sensing related service indicates at least one of the following: area information indicating a target area in which the sensing is to be performed; an accuracy requirement for the sensing related service; a total number of UEs performing sensing for the sensing related service; ID (s) of at least one UE performing sensing for the sensing related service; a speed threshold for a UE performing sensing for the sensing related service; a link quality threshold for a UE performing sensing for the sensing related service; or the number of UEs performing sensing for the sensing related service per a sub-area of the target area; and receiving, from the BS, a measurement result related to the sensing related service, an ID of a UE performing sensing for the sensing related service which leaves the target area, or both.
  • BS base station
  • the network node is an access and mobility management function (AMF) .
  • the network node is a sensing function (SF) , and the request for a sensing related service is transmitted to the BS via the AMF.
  • AMF access and mobility management function
  • SF sensing function
  • the area information indicates an ID of the target area or a list of cells covering the target area.
  • the total number of UEs is defined as the number of UEs per cell or per BS, or indicates as a value range, or indicates as a minimum number of UEs.
  • the apparatus may include: at least one non-transitory computer-readable medium having stored thereon computer-executable instructions; at least one receiving circuitry; at least one transmitting circuitry; and at least one processor coupled to the at least one non-transitory computer-readable medium, the at least one receiving circuitry and the at least one transmitting circuitry, wherein the at least one non-transitory computer-readable medium and the computer executable instructions may be configured to, with the at least one processor, cause the apparatus to perform a method according to some embodiments of the present disclosure.
  • Embodiments of the present application provide a technical solution for integrated sensing and communication, which can facilitate and improve the implementation of various communication technologies.
  • FIG. 1 illustrates a schematic diagram of a wireless communication system in accordance with some embodiments of the present disclosure
  • FIG. 2 illustrates a flow chart of an exemplary sensing procedure in accordance with some embodiments of the present disclosure
  • FIGS. 3, 4 and 5-9 illustrate flow charts of exemplary procedures of integrated sensing and communication in accordance with some embodiments of the present disclosure
  • FIG 4A illustrates a flow chart of an exemplary procedure for positioning in accordance with some embodiments of the present disclosure.
  • FIG. 10 illustrates a block diagram of an exemplary apparatus in accordance with some embodiments of the present disclosure.
  • Embodiments of the present disclosure provide solutions for enabling and improving integrated sensing and communication in a communication system.
  • a sensing related service may be requested and issued to entities in a communication system.
  • a UE may perform sensing in response to the request.
  • Enhancements on the interface between the UE, BS, and network node may be needed to enable the sensing function.
  • Embodiments of the present disclosure provide signaling and procedures to enable and improve the integrated sensing and communication.
  • FIG. 1 illustrates a schematic diagram of a wireless communication system 100 in accordance with some embodiments of the present disclosure.
  • a wireless communication system 100 may include a base station (e.g., BS 102) and some UEs 101 (e.g., UEs 101A-101E) located within the coverage area 105 of BS 102. Although a specific number of UE 101 and BS 102 is depicted in FIG. 1, it is contemplated that any number of UEs and BSs may be included in the wireless communication system 100.
  • UE 101 may include computing devices, such as desktop computers, laptop computers, personal digital assistants (PDAs) , tablet computers, smart televisions (e.g., televisions connected to the Internet) , set-top boxes, game consoles, security systems (including security cameras) , vehicle on-board computers, network devices (e.g., routers, switches, and modems) , or the like.
  • PDAs personal digital assistants
  • UE 101 may include a portable wireless communication device, a smart phone, a cellular telephone, a flip phone, a device having a subscriber identity module, a personal computer, a selective call receiver, or any other device that is capable of sending and receiving communication signals on a wireless network.
  • UE 101 includes wearable devices, such as smart watches, fitness bands, optical head-mounted displays, or the like. Moreover, UE 101 may be referred to as a subscriber unit, a mobile, a mobile station, a user, a terminal, a mobile terminal, a wireless terminal, a fixed terminal, a subscriber station, a user terminal, or a device, or described using other terminology used in the art. UE 101 may communicate with BS 102 via uplink (UL) communication signals.
  • UL uplink
  • UE 101 may be in one of the following states: an RRC-IDLE state, an RRC_CONNECTED state, or an RRC_INACTIVE state (also referred to as idle, connected, or inactive state, respectively) , at a given time.
  • an RRC-IDLE state an RRC_CONNECTED state
  • an RRC_INACTIVE state also referred to as idle, connected, or inactive state, respectively.
  • the specific characteristics of the RRC-IDLE state, RRC_CONNECTED state, and RRC_INACTIVE state are defined in 3GPP specifications.
  • BS 102 may be distributed over a geographic region.
  • BS 102 may also be referred to as an access point, an access terminal, a base, a base unit, a macro cell, a Node-B, an evolved Node B (eNB) , a gNB, a Home Node-B, a relay node, or a device, or described using other terminology used in the art.
  • BS 102 is generally a part of a radio access network that may include one or more controllers communicably coupled to one or more corresponding BSs 102.
  • BS 102 may communicate with UE 101 via downlink (DL) communication signals.
  • DL downlink
  • the BS 102 may be in communication with a core network (not shown in FIG. 1) .
  • the core network (CN) may include a plurality of network nodes, such as a mobility management entity (MME) (not shown in FIG. 1) or an access and mobility management function (AMF) (not shown in FIG. 1) .
  • MME mobility management entity
  • AMF access and mobility management function
  • the CN may serve as gateways for the UEs to access a public switched telephone network (PSTN) and/or other networks (not shown in FIG. 1) .
  • PSTN public switched telephone network
  • the CN may further include a sensing function (SF) which may be in communication with, for example, the AMF or location management function (LMF) .
  • SF sensing function
  • the wireless communication system 100 may be compatible with any type of network that is capable of sending and receiving wireless communication signals.
  • the wireless communication system 100 is compatible with a wireless communication network, a cellular telephone network, a time division multiple access (TDMA) -based network, a code division multiple access (CDMA) -based network, an orthogonal frequency division multiple access (OFDMA) -based network, an LTE network, a 3GPP-based network, a 3GPP 5G network, a satellite communications network, a high altitude platform network, and/or other communications networks.
  • TDMA time division multiple access
  • CDMA code division multiple access
  • OFDMA orthogonal frequency division multiple access
  • the wireless communication system 100 is compatible with 5G NR of the 3GPP protocol.
  • BS 102 may transmit data using an orthogonal frequency division multiple (OFDM) modulation scheme on the DL and the UE 101 may transmit data on the UL using a discrete Fourier transform-spread-orthogonal frequency division multiplexing (DFT-S-OFDM) or cyclic prefix-OFDM (CP-OFDM) scheme.
  • DFT-S-OFDM discrete Fourier transform-spread-orthogonal frequency division multiplexing
  • CP-OFDM cyclic prefix-OFDM
  • the wireless communication system 100 may implement some other open or proprietary communication protocols, for example, WiMAX, among other protocols.
  • BS 102 and UE 101 may communicate using other communication protocols, such as the IEEE 802.11 family of wireless communication protocols. Further, in some embodiments of the present disclosure, BS 102 and UE 101 may communicate over licensed spectrums, whereas in some other embodiments, BS 102 and UE 101 may communicate over unlicensed spectrums.
  • the present disclosure is not intended to be limited to the implementation of any particular wireless communication system architecture or protocol.
  • BS 102 may want to sense a target (e.g., vehicle 103) in sensing area 106.
  • BS 102 may want to acquire the position, speed or lane occupying information of vehicle 103. This may also be referred to as “per-object sensing. ”
  • BS 102 may want to sense the radio environment of sensing area 106. This may also be referred to as “per-area sensing. ”
  • BS 102 may select UEs 101A and 101B to perform the sensing since UEs 101A and 101B are within sensing area 106.
  • UEs 101A and 101B may transmit corresponding signals to BS 102 for the sensing.
  • Embodiments of the present disclosure provide various solutions to support integrated sensing and communication. More details on the embodiments of the present disclosure will be illustrated in the following text in combination with the appended drawings.
  • FIG. 2 illustrates a flow chart of an exemplary sensing procedure 200 in accordance with some embodiments of the present disclosure. Details described in all of the foregoing embodiments of the present disclosure are applicable for the embodiments shown in FIG. 2.
  • Procedure 200 illustrates a general sensing procedure. The procedure may be performed per a sensing area or per an object.
  • UE 201 and BS 202 may function as UE 101 and BS 102 shown in FIG. 1, respectively.
  • AMF 207 may be in communication with SF 209 and BS 202.
  • SF 209 may or may not be in direct communication with BS 202.
  • SF 209 may be a part of an LMF.
  • AMF 207 may receive a sensing request from, for example, a sensing traffic requestor, for example, an application function (AF) or an internal network element (not shown in FIG. 2) .
  • AMF 207 may select a suitable SF (e.g., SF 209) according to, for example, the information of the target area or object.
  • AMF 207 may transmit the sensing request to SF 209.
  • the sensing traffic requestor may directly transmit the sensing request to SF 209, which may then select a suitable AMF.
  • SF 209 may determine the sensing manner to be employed. For example, in operation 215a, SF 209 may determine to employ a RAN-based sensing sub-procedure. For example, in operation 215b, SF 209 may determine to employ a UE-assisted sensing sub-procedure. For example, in operation 215c, SF 209 may determine to employ a UE-based sensing sub-procedure. It should be noted that the sensing sub-procedure may involve more than one BS and/or more than one UE.
  • a sensing response carrying a success indication may be transmitted to SF 209; otherwise, a sensing response carrying a failure indication may be transmitted to SF 209.
  • SF 209 may perform a sensing calculation based on the sensing measurements from BS 202 and may obtain a sensing result.
  • SF 209 may transmit the sensing result to AMF 207.
  • AMF 207 may transmit the sensing result to the sensing traffic requestor (e.g., the AF) .
  • SF 209 may transmit the sensing result to the sensing traffic requestor without AMF 207.
  • network nodes such as the AMF and SF
  • other network nodes may be employed to perform the operations of the AMF and SF.
  • new UE behaviors may be required when an idle or inactive UE leaves the area in which the sensing is performed.
  • the impact of a handover procedure on a UE performing the sensing task should be considered.
  • the impact of a reestablishment procedure on a UE performing the sensing task should be considered.
  • FIG. 3 illustrates a flow chart of an exemplary procedure 300 of integrated sensing and communication in accordance with some embodiments of the present disclosure. Details described in all of the foregoing embodiments of the present disclosure are applicable for the embodiments shown in FIG. 3.
  • UE 301 and BS 302 may respectively function as UE 101 and BS 102 shown in FIG. 1, or respectively function as UE 201 and BS 202 shown in FIG. 2.
  • AMF 307 may be in communication with SF 309 and BS 302.
  • SF 309 may or may not be in direct communication with BS 302.
  • AMF 307 and SF 309 may respectively function as AMF 207 and SF 209 shown in FIG. 2.
  • SF 309 may transmit a request for a sensing related service to AMF 307.
  • the request for the sensing related service may indicate at least one of the following: area information indicating a target area in which the sensing is to be performed; an accuracy requirement for the sensing related service; the total number of UEs (or the number of UEs) performing sensing for the sensing related service (denoted as “number #1” ) ; ID (s) of at least one UE performing sensing for the sensing related service; a speed threshold for a UE performing sensing for the sensing related service; a link quality threshold for a UE performing sensing for the sensing related service; or the number of UEs performing sensing for the sensing related service per a sub-area of the target area (denoted as “number #2” ) .
  • the area information may indicate an ID of the target area or a list of cells covering the target area.
  • Number #1 may refer to the number of UEs which is expected to perform measurement for the sensing service. In some embodiments of the present disclosure, number #1 may be defined as the number of UEs per cell or per BS. In some embodiments of the present disclosure, number #1 may be indicated as a value range (e.g., from the maximum value to the minimum) or a minimum number of UEs.
  • the UE ID (s) in the request may refer to the UE (s) which is expected to perform measurement for the sensing service.
  • the speed threshold and the link quality threshold can indicate whether a UE with a certain speed or certain link quality can be selected or not.
  • Number #2 reflects the requirement for UE distribution. For example, the request may require that a certain number of UEs per unit area performs the sensing.
  • AMF 307 may transmit the request to BS 302 in operation 315.
  • AMF 307 may transmit such request to one or more BSs.
  • SF 309 determines the parameters in the request for the sensing related service and transmits the request to AMF 307
  • AMF 307 may determine the parameters in some other embodiments of the present disclosure. For example, operation 311 may be omitted.
  • AMF 307 may determine the information in the request for a sensing related service as defined above and then transmit the request to one or more BSs.
  • BS 302 may transmit a request to perform sensing to the UE with the UE ID.
  • the request may include the configuration associated with the sensing. In some examples, the existence of such configuration may suggest the request to perform sensing.
  • BS 302 may transmit a reconfiguration message or another message to the UE directly.
  • the reconfiguration message may include the configuration of DL sensing reference signal (RS) , report configuration, or both.
  • RS DL sensing reference signal
  • BS 302 may first transmit a paging message to the UE. In response to receiving the paging message, the UE may transit to a connected state.
  • BS 302 when number #1 is included in the request, BS 302 is expected to select one or more UEs to perform a sensing task. For example, BS 302 may select at least one UE in operation 317. The selection may be based on the request for the sensing related service. The selected UE may be in a connected, idle or inactive state. In some examples, the connected UE may be selected in priority.
  • BS 302 may transmit a request to perform sensing to UE 301 in operation 319.
  • the request may include the configuration associated with the sensing. In some examples, the existence of such configuration may suggest the request to perform sensing.
  • BS 302 may transmit a reconfiguration message or another message to the UE.
  • the reconfiguration message may include the configuration of DL sensing RS, report configuration, or both.
  • BS 302 may first transmit a paging message to the selected UE such that it can transit to a connected state.
  • the idle or inactive UE to be selected may be determined by the network. For example, in response to the number of connected UEs served by BS 302 fails to satisfy the request for the sensing related service, BS 302 may transmit a request for employing an inactive or idle UE to AMF 307 (not shown in FIG. 3) . For example, the number of connected UEs served by BS 302 may fail to satisfy number #1. For example, the number of connected UEs served by BS 302 that satisfies the speed threshold, the link quality threshold, or the distribution requirement may fail to satisfy number #1. In response to such request, AMF 307 may transmit the ID (s) of inactive or idle UE (s) to BS 302. BS 302 may page the corresponding UE (s) based on the UE ID (s) .
  • the request for employing the inactive or idle UE may indicate the number of connected UEs served by the BS (e.g., the number of connected UEs that are selected or the total number of connected UEs served by the BS) . In some embodiments, the request for employing the inactive or idle UE may indicate the number of additional UEs required for satisfying the request for the sensing related service.
  • a connected UE may perform a sensing task.
  • An idle or inactive UE may perform a connection setup procedure first and then perform the sensing task in the connected state.
  • a UE can perform a sensing task in the idle or inactive state.
  • the sensing task may be performed based on the configuration associated with the sensing.
  • UE 301 may perform a sensing task in operation 321.
  • the sensing task may include at least one of the following: receiving a DL RS for the sensing (e.g., from BS 302, a neighbor cell or both) ; reporting a measurement result related to the sensing (e.g., to BS 302) ; or transmitting a UL RS for the sensing (e.g., to BS 302, a neighbor cell or both) .
  • the network may request an idle or inactive UE to transit to the connected state for sensing (e.g., via system information (SI) or paging message) .
  • the idle or inactive UE may perform a connection setup procedure to transit to the connected state for sensing.
  • the area information indicating the target area may be indicated to the UE (e.g., the idle, inactive, or connected UE) in, for example, the request to perform sensing, the paging message, the SI, or the reconfiguration message.
  • the UE may perform a cell reselection.
  • the cell reselection may be based on the area information. For example, the UE may consider the cell list or area indicated by the area information during the cell reselection. For example, in the case that at least one cell belonging to the target area (e.g., a cell within the target area or belongs to the indicated cell list) is a suitable cell, the UE should select one of the at least one cell. In the case that no suitable cell belonging to the target area can be found (e.g., no suitable cell is within the target area or belongs to the indicated cell list) , the UE may stop transition from the idle or inactive state to the connected state.
  • the target area e.g., a cell within the target area or belongs to the indicated cell list
  • UE 301 may leave the target area and may inform BS 302 of its leaving.
  • the target area may be a part of a cell (e.g., the serving cell) .
  • the target area may include one or more than one cells.
  • UE 301 may transmit a leaving indication to BS 302 in operation 325.
  • a connected UE is configured to perform a measurement for the sensing within the target area.
  • UE 301 may also transmit the measurement result related to the sensing to BS 302 in operation 325.
  • the leaving of UE 301 may trigger the report of the measurement result related to the sensing.
  • BS 302 may transmit the ID of UE 301 (i.e., the ID of the UE leaving the target area) to AMF 307 or SF 309.
  • BS 302 may transmit the UE ID to AMF 307 in operation 327.
  • AMF 307 may transmit the UE ID to SF 309 in operation 329 (denoted by dotted arrow as an option) .
  • FIG. 4 illustrates a flow chart of an exemplary procedure 400 of integrated sensing and communication in accordance with some embodiments of the present disclosure. Details described in all of the foregoing embodiments of the present disclosure are applicable for the embodiments shown in FIG. 4.
  • UE 401 and BS 402 may respectively function as UE 101 and BS 102 shown in FIG. 1, or respectively function as UE 201 and BS 202 shown in FIG. 2, or respectively function as UE 301 and BS 302 shown in FIG. 3.
  • AMF 407 may be in communication with SF 409 and BS 402.
  • SF 409 may or may not be in direct communication with BS 402.
  • AMF 407 and SF 409 may respectively function as AMF 207 and SF 209 shown in FIG. 2, or respectively function as AMF 307 and SF 309 shown in FIG. 3.
  • UE 401 may have an RRC connection with BS 402 (i.e., serving BS of UE 401) .
  • UE 401 may report the capability related to the sensing function to BS 402 or AMF 407.
  • the capability may include supporting reception of DL RS for sensing, supporting transmitting RS (e.g., a sounding RS (SRS) ) for sensing, and etc.
  • RS sounding RS
  • UE 401 may receive the capability of whether the network supports the sensing function or not.
  • UE 401 may enter an idle or inactive state based on the configuration of BS 402. For example, BS 402 may transmit an RRC release message to UE 401. UE 401 may enter into the idle or inactive state in response to the reception of the RRC release message.
  • SF 409 may transmit a request for a sensing related service to AMF 407.
  • the descriptions with respect to operation 311 in FIG. 3 may apply to operation 413.
  • the above descriptions with respect to the request for the sensing related service may also apply here.
  • the request for the sensing related service may indicate at least one of the following: area information indicating a target area in which the sensing is to be performed; an accuracy requirement for the sensing related service; the total number of UEs (or the number of UEs) performing sensing for the sensing related service; ID (s) of at least one UE performing sensing for the sensing related service; a speed threshold for a UE performing sensing for the sensing related service; a link quality threshold for a UE performing sensing for the sensing related service; or the number of UEs performing sensing for the sensing related service per a sub-area of the target area.
  • the area information may indicate an ID of the target area or a list of cells covering the target area.
  • AMF 407 may transmit the request to BS 402 in operation 415.
  • AMF 407 may transmit such request to one or more BSs.
  • the descriptions with respect to operation 315 in FIG. 3 may apply to operation 415.
  • SF 409 determines the parameters in the request for the sensing related service and transmits the request to AMF 407
  • AMF 407 may determine the parameters in some other embodiments of the present disclosure. For example, operation 413 may be omitted.
  • AMF 407 may determine the information in the request for a sensing related service as defined above and then transmit the request to one or more BSs.
  • BS 402 may transmit a request to perform sensing to at least one UE.
  • the method for determining the at least one UE as described with respect to the previous text may apply here.
  • the descriptions with respect to the request to perform sensing in the previous text may apply here.
  • a UE may be allowed to perform measurement for sensing in an idle or inactive state. For example, after a BS transmits a reconfiguration message to a UE, the BS may configure the UE to enter an idle or inactive state.
  • the reconfiguration message may include the configuration related to the sensing function.
  • the BS may configure the sensing information in a broadcast message.
  • BS 402 may transmit the request to perform sensing to UE 401, which is in an idle or inactive state, in operation 419.
  • BS 402 may configure UE 401 (e.g., in the request message) to perform the measurement for sensing at the idle or inactive state. That is, UE 401 may perform the measurement for sensing while maintaining in the idle or inactive state (e.g., without transition to the connected state) .
  • the configuration may include the area information (e.g., an area ID or a cell list) .
  • UE 401 may perform the sensing task.
  • the sensing task may be performed based on the configuration associated with the sensing.
  • the definition of the sensing task as described above may apply here.
  • the sensing task may include at least one of the following: receiving DL RS for the sensing (e.g., from BS 402, a neighbor cell or both) ; reporting a measurement result related to the sensing; or transmitting UL RS for the sensing (e.g., to BS 402, a neighbor cell or both) .
  • UE 401 may leave the target area and may inform BS 402 of its leaving.
  • the target area may be a part of a cell (e.g., the serving cell) .
  • the target area may include one or more than one cells.
  • UE 401 may transit from the inactive or idle state to the connected state. Then, UE 401 may transmit a leaving indication to BS 402 in operation 425. In some embodiments, UE 401 may also transmit the measurement result related to the sensing to BS 402 in operation 425.
  • BS 402 may transmit the ID of UE 401 (i.e., the ID of the UE leaving the target area) to AMF 407 or SF 409.
  • BS 402 may the UE ID to AMF 407 in operation 427.
  • AMF 407 may transmit the UE ID to SF 409 in operation 429 (denoted by dotted arrow as an option) .
  • FIG. 5 illustrates a flow chart of an exemplary procedure 500 of integrated sensing and communication in accordance with some embodiments of the present disclosure. Details described in all of the foregoing embodiments of the present disclosure are applicable for the embodiments shown in FIG. 5.
  • UE 501 and BS 502 may respectively function as the UEs and BSs shown in FIGS. 1-4.
  • AMF 507 may be in communication with SF 509 and BS 502.
  • SF 509 may or may not be in direct communication with BS 502.
  • AMF 507 and SF 509 may respectively function as the AMFs and SFs shown in FIGS. 2-4.
  • SF 509 may transmit a request for a sensing related service to AMF 507.
  • the descriptions with respect to operation 311 in FIG. 3 and operation 413 in FIG. 4 may apply to operation 511.
  • the above descriptions with respect to the request for the sensing related service may also apply here.
  • the request for the sensing related service may indicate at least one of the following: area information indicating a target area in which the sensing is to be performed; an accuracy requirement for the sensing related service; the total number of UEs (or the number of UEs) performing sensing for the sensing related service; ID (s) of at least one UE performing sensing for the sensing related service; a speed threshold for a UE performing sensing for the sensing related service; a link quality threshold for a UE performing sensing for the sensing related service; or the number of UEs performing sensing for the sensing related service per a sub-area of the target area.
  • the area information may indicate an ID of the target area or a list of cells covering the target area.
  • AMF 507 may transmit the request to BS 502 in operation 515.
  • AMF 507 may transmit such request to one or more BSs.
  • the descriptions with respect to operation 315 in FIG. 3 and operation 415 in FIG. 4 may apply to operation 515.
  • SF 509 determines the parameters in the request for the sensing related service and transmits the request to AMF 507
  • AMF 507 may determine the parameters in some other embodiments of the present disclosure. For example, operation 511 may be omitted.
  • AMF 507 may determine the information in the request for a sensing related service as defined above and then transmit the request to one or more BSs.
  • BS 502 may transmit a request to perform sensing to at least one UE.
  • the method for determining the at least one UE as described with respect to the previous text may apply here.
  • the descriptions with respect to the request to perform sensing in the previous text may apply here.
  • BS 502 may transmit the request to perform sensing to UE 501 in operation 519.
  • the request may be transmitted via a reconfiguration message or another message.
  • the reconfiguration message may include the configuration of DL sensing RS, report configuration, or both.
  • the area information (e.g., an area ID or a cell list) may also be indicated to UE 501 (e.g., in the request or the reconfiguration message) .
  • UE 501 may perform the sensing task.
  • the sensing task may be performed based on the configuration associated with the sensing.
  • the definition of the sensing task as described above may apply here.
  • the sensing task may include at least one of the following: receiving DL RS for the sensing (e.g., from BS 502, a neighbor cell or both) ; reporting a measurement result related to the sensing; or transmitting UL RS for the sensing (e.g., to BS 502, a neighbor cell or both) .
  • UE 501 may receive a handover command indicating a target cell from BS 502.
  • UE 501 in response to the target cell belonging to the target area for sensing, may perform at least one of: keeping the configuration associated with the sensing; or continuing performing the sensing task during the handover, after the handover, or both. For example, UE 501 may continue to keep the configuration associated with the sensing in its sensing layer and continue to perform the measurement for sensing during, after handover, or both.
  • the request to perform sensing may be received at the sensing layer of UE 501, which may request UE 501 (e.g., a lower layer) to perform the sensing task.
  • UE 501 in response to the target cell not belonging to the target area for sensing, may perform at least one of: releasing the configuration associated with the sensing; or stopping the sensing task. For example, UE 501 may stop the measurement for sensing and release the configuration in the sensing layer.
  • BS 502 may inform AMF 507 or SF 509 of the UE’s leaving. For example, BS 502 may transmit the ID of UE 501 (i.e., the ID of the UE leaving the target area) to AMF 507 or SF 509. For example, BS 502 may the UE ID to AMF 507 in operation 527 (denoted by dotted arrow as an option) . AMF 507 may transmit the UE ID to SF 509 in operation 529 (denoted by dotted arrow as an option) .
  • FIG. 6 illustrates a flow chart of an exemplary procedure 600 of integrated sensing and communication in accordance with some embodiments of the present disclosure. Details described in all of the foregoing embodiments of the present disclosure are applicable for the embodiments shown in FIG. 6.
  • UE 601 and BS 602 may respectively function as the UEs and BSs shown in FIGS. 1-5.
  • AMF 607 may be in communication with SF 609 and BS 602.
  • SF 609 may or may not be in direct communication with BS 602.
  • AMF 607 and SF 609 may respectively function as the AMFs and SFs shown in FIGS. 2-5.
  • SF 609 may transmit a request for a sensing related service to AMF 607.
  • the descriptions with respect to operation 311 in FIG. 3, operation 413 in FIG. 4, and operation 511 in FIG. 5 may apply to operation 611.
  • the above descriptions with respect to the request for the sensing related service may also apply here.
  • the request for the sensing related service may indicate at least one of the following: area information indicating a target area in which the sensing is to be performed; an accuracy requirement for the sensing related service; the total number of UEs (or the number of UEs) performing sensing for the sensing related service; ID (s) of at least one UE performing sensing for the sensing related service; a speed threshold for a UE performing sensing for the sensing related service; a link quality threshold for a UE performing sensing for the sensing related service; or the number of UEs performing sensing for the sensing related service per a sub-area of the target area.
  • the area information may indicate an ID of the target area or a list of cells covering the target area.
  • AMF 607 may transmit the request to BS 602 in operation 615.
  • AMF 607 may transmit such request to one or more BSs.
  • the descriptions with respect to operation 315 in FIG. 3, operation 415 in FIG. 4 and operation 515 in FIG. 5 may apply to operation 615.
  • SF 609 determines the parameters in the request for the sensing related service and transmits the request to AMF 607
  • AMF 607 may determine the parameters in some other embodiments of the present disclosure. For example, operation 611 may be omitted.
  • AMF 607 may determine the information in the request for a sensing related service as defined above and then transmit the request to one or more BSs.
  • BS 602 may transmit a request to perform sensing to at least one UE.
  • the method for determining the at least one UE as described with respect to the previous text may apply here.
  • the descriptions with respect to the request to perform sensing in the previous text may apply here.
  • BS 602 may transmit the request to perform sensing to UE 601 in operation 619.
  • the request may be transmitted via a reconfiguration message or another message.
  • the reconfiguration message may include the configuration of DL sensing RS, report configuration, or both.
  • the area information (e.g., an area ID or a cell list) may also be indicated to UE 601.
  • UE 601 may perform the sensing task.
  • the sensing task may be performed based on the configuration associated with the sensing.
  • the definition of the sensing task as described above may apply here.
  • the sensing task may include at least one of the following: receiving DL RS for the sensing (e.g., from BS 602, a neighbor cell or both) ; reporting a measurement result related to the sensing; or transmitting UL RS (e.g., the SRS) for the sensing (e.g., to BS 602, a neighbor cell or both) .
  • UE 601 may initiate a reestablishment procedure.
  • a radio link failure RLF
  • UE 601 may initiate a reestablishment procedure.
  • RLF radio link failure
  • UE 601 may initiate a reestablishment procedure.
  • the UE 601 may select a suitable cell for reestablishment in response to initiating the reestablishment procedure.
  • the selection may be based on the area information. For example, in the case that a plurality of cells are suitable for reestablishment during the cell selection, the suitable cell (s) among the plurality of cells belonging to the target area for sensing may be selected in priority.
  • UE 601 in response to the selected suitable cell belonging to the target area, may perform at least one of: keeping configuration associated with the sensing; or continuing performing the sensing task during the reestablishment, after the reestablishment, or both. For example, UE 601 may continue to keep the configuration associated with the sensing in its sensing layer and continue to perform the measurement for sensing during, after the reestablishment, or both. For example, the request to perform sensing may be received at the sensing layer of UE 601, which may request a lower layer of UE 601 to perform the sensing task.
  • UE 601 in response to the selected suitable cell not belonging to the target area, may perform at least one of: releasing the configuration associated with the sensing; or stopping the sensing task. For example, UE 601 may stop the measurement for sensing and release the configuration in the sensing layer.
  • FIG. 7 illustrates a flow chart of an exemplary procedure 700 for integrated sensing and communication in accordance with some embodiments of the present disclosure. Details described in all of the foregoing embodiments of the present disclosure are applicable for the embodiments shown in FIG. 7. In some examples, the procedure may be performed by a UE.
  • a UE may receive, from an upper layer (e.g., a sensing layer) of the UE or a network node, a request to perform sensing in a target area.
  • the request may indicate an ID of the target area or a list of cells covering the target area.
  • the network node may be an AMF or an SF.
  • the UE may perform a sensing task in response to the request.
  • the sensing task may include at least one of the following: receiving a DL RS for the sensing; reporting a measurement result related to the sensing; or transmitting a UL RS for the sensing to a serving cell of the UE, a neighbor cell or both.
  • performing the sensing task may include performing the sensing task when the UE is in a connected state, an inactive state, or an idle state.
  • the request may include area information indicating the target area.
  • the UE may transit to a connected state in response to the UE being in an inactive or idle state.
  • transiting to the connected state may include performing cell reselection based on the area information.
  • performing the cell reselection based on the area information may include at least one of: selecting a suitable cell belonging to the target area for connection setup; or stopping transition from the inactive or idle state to a connected state in response to unable to find a suitable cell belonging to the target area.
  • the UE may perform at least one of the following when the UE leaves the target area: transiting from an inactive or idle state to a connected state in the case that the UE performs the sensing task in an inactive or idle state; transmitting a leaving indication to a BS; or transmitting a measurement result related to the sensing to the BS.
  • the target area may be a part of a cell or includes one or more than one cells.
  • the UE may receive a handover command indicating a target cell.
  • the UE in response to the target cell belonging to the target area, the UE may perform at least one of: keeping configuration associated with the sensing; or continuing performing the sensing task during the handover, after the handover, or both.
  • the UE in response to the target cell not belonging to the target area, the UE may perform at least one of: releasing the configuration associated with the sensing; or stopping the sensing task.
  • the request may include area information indicating the target area.
  • the UE may select a suitable cell for reestablishment based on the area information in response to initiating a reestablishment procedure at the UE.
  • the UE in response to the suitable cell belonging to the target area, may perform at least one of: keeping configuration associated with the sensing; or continuing performing the sensing task during the reestablishment, after the reestablishment, or both. In some embodiments, in response to the suitable cell not belonging to the target area, the UE may perform at least one of: releasing the configuration associated with the sensing; or stopping the sensing task.
  • selecting the suitable cell for reestablishment based on the area information may include preferentially selecting a cell which belongs to the target area among a plurality of suitable cells for reestablishment.
  • FIG. 8 illustrates a flow chart of an exemplary procedure 800 for integrated sensing and communication in accordance with some embodiments of the present disclosure. Details described in all of the foregoing embodiments of the present disclosure are applicable for the embodiments shown in FIG. 8.
  • the procedure may be performed by a BS.
  • a BS may receive, from a network node, a request for a sensing related service.
  • the network node may be an AMF or an SF.
  • the BS may transmit, to at least one UE, a request to perform sensing in response to the request for the sensing related service.
  • the request for the sensing related service may indicate at least one of the following: area information indicating a target area in which the sensing is to be performed; an accuracy requirement for the sensing related service; a total number of UEs performing sensing for the sensing related service (e.g., number #1) ; ID (s) of at least one UE performing sensing for the sensing related service; a speed threshold for a UE performing sensing for the sensing related service; a link quality threshold for a UE performing sensing for the sensing related service; or the number of UEs performing sensing for the sensing related service per a sub-area of the target area (e.g., number #2) .
  • area information indicating a target area in which the sensing is to be performed
  • an accuracy requirement for the sensing related service e.g., a total number of UEs performing sensing for the sensing related service (e.g., number #1) ; ID (s) of at least one UE performing sensing for the sensing related service;
  • the area information indicates an ID of the target area or a list of cells covering the target area.
  • the total number of UEs may be defined as the number of UEs per cell or per BS, or indicates as a value range, or indicates as a minimum number of UEs.
  • the BS may perform at least one of the following: transmitting an ID of a UE of the at least one UE which leaves the target area to the network node; receiving a leaving indication from the UE of the at least one UE; receiving a measurement result related to the sensing from the UE of the at least one UE; or transmitting the measurement result related to the sensing to the network node.
  • the BS may, in response to the number of connected UEs served by the BS fails to satisfy the request for the sensing related service, transmit a request for employing an inactive or idle UE to the network node.
  • the BS may receive a UE ID of the inactive or idle UE from the network node.
  • the request for employing an inactive or idle UE may indicate the number of connected UEs served by the BS or the number of additional UEs required for satisfying the request for the sensing related service.
  • FIG. 9 illustrates a flow chart of an exemplary procedure 900 for integrated sensing and communication in accordance with some embodiments of the present disclosure. Details described in all of the foregoing embodiments of the present disclosure are applicable for the embodiments shown in FIG. 9.
  • the procedure may be performed by a network node.
  • a network node may transmit, to a BS, a request for a sensing related service.
  • the request for the sensing related service may indicate at least one of the following: area information indicating a target area in which the sensing is to be performed; an accuracy requirement for the sensing related service; a total number of UEs performing sensing for the sensing related service (e.g., number #1) ; ID (s) of at least one UE performing sensing for the sensing related service; a speed threshold for a UE performing sensing for the sensing related service; a link quality threshold for a UE performing sensing for the sensing related service; or the number of UEs performing sensing for the sensing related service per a sub-area of the target area (e.g., number #2) .
  • area information indicating a target area in which the sensing is to be performed
  • an accuracy requirement for the sensing related service e.g., a total number of UEs performing sensing for the sensing related service (e.g., number #1) ; ID (s) of at least one UE performing sensing for the sensing related service;
  • the area information may indicate an ID of the target area or a list of cells covering the target area.
  • the total number of UEs may be defined as the number of UEs per cell or per BS, or may indicate as a value range, or may indicate as a minimum number of UEs.
  • the network node may be an AMF.
  • the network node may be an SF.
  • the request for a sensing related service may be transmitted to the BS via the AMF.
  • the network node may receive, from the BS, a measurement result related to the sensing related service, an ID of a UE performing sensing for the sensing related service which leaves the target area, or both.
  • the above embodiments and procedures can be reused for positioning by simply replacing the term “sensing” with the term “positioning. ”
  • a position-related measurement (s) instead of a sensing-related measurement (s) may be performed.
  • the SF in the above embodiments and procedures may be replaced by another network node (e.g., location management function (LMF) ) .
  • the LMF may transmit a request for positioning of a target device to an AMF.
  • the AMF may determine the request for positioning.
  • the AMF may transmit the request for positioning to one or more BS.
  • the LTE Positioning Protocol is terminated between a target device (a UE in the control-plane case or a secure user plane location (SUPL) enabled terminal (SET) in the user-plane case) and a positioning server (an LMF in the control-plane case or SUPL location platform (SLP) in the user-plane case) . It may use either the control-plane or user-plane protocols as underlying transport.
  • LPP defined data structures for assistance data information are reused for supporting RRC broadcast of assistance data information which are embedded in positioning system information blocks (SIBs) . This enables broadcast assistance data using the same data structures which are used for point to point location.
  • the LPP protocol data unit (PDU) is carried in a non-access stratum (NAS) PDU between the AMF and the UE.
  • NAS non-access stratum
  • the NR positioning protocol A (NRPPa) carries information between a next generation-radio access network (NG-RAN) node and the LMF.
  • the NRPPa protocol is transparent to the AMF.
  • the AMF routes the NRPPa PDUs transparently based on a routing ID corresponding to the involved LMF over the NG-control plane (NG-C) interface without knowledge of the involved NRPPa transaction. It carries the NRPPa PDUs over NG-C interface either in a UE associated mode or non-UE associated mode.
  • procedure 400 in FIG. 4 can be applied to a positioning case, which is as shown in FIG. 4A.
  • FIG. 4A illustrates a flow chart of an exemplary procedure 400A for positioning.
  • Procedure 400A is similar to procedure 400, except that, for instance, SF 409 in FIG. 4 is replaced with LMF 405A in FIG. 4A.
  • AMF 407A may be in communication with LMF 405A.
  • LMF 405A may or may not be in direct communication with BS 402A.
  • Description with respect to procedure 400 can be similarly applied to procedure 400A.
  • UE 401A may have an RRC connection with BS 402A (i.e., serving BS of UE 401A) .
  • UE 401A may report the capability related to the positioning function to BS 402A or AMF 407A.
  • the capability may include supporting reception of DL RS for positioning, supporting transmitting RS for positioning, and etc.
  • UE 401A may receive the capability of whether the network supports the positioning function or not.
  • UE 401A may enter an idle or inactive state based on the configuration of BS 402A. For example, BS 402A may transmit an RRC release message to UE 401A. UE 401A may enter into the idle or inactive state in response to the reception of the RRC release message.
  • LMF 405A may transmit a request for a positioning related service to AMF 407A.
  • the request for the positioning related service may indicate area information indicating a target area in which the positioning is to be performed.
  • the area information may indicate an ID of the target area or a list of cells covering the target area.
  • AMF 407A may transmit the request to BS 402A in operation 415a.
  • AMF 407A may transmit such request to one or more BSs.
  • LMF 405A determines the request for the positioning related service and transmits the request to AMF 407A
  • AMF 407A may determine the request in some other embodiments of the present disclosure. For example, operation 413a may be omitted.
  • AMF 407A may determine the information in the request for a positioning related service and then transmit the request to one or more BSs.
  • BS 402A may transmit a request to perform positioning to at least one UE.
  • the method for determining the at least one UE as previously described may apply here.
  • a UE may be allowed to perform measurement for positioning in an idle or inactive state. For example, after a BS transmits a reconfiguration message to a UE, the BS may configure the UE to enter an idle or inactive state.
  • the reconfiguration message may include the configuration related to the positioning function.
  • the BS may configure the positioning information in a broadcast message.
  • BS 402A may transmit the request to perform positioning to UE 401A, which is in an idle or inactive state, in operation 419a.
  • BS 402A may configure UE 401A (e.g., in the request message) to perform the measurement for positioning at the idle or inactive state. That is, UE 401A may perform the measurement for positioning while maintaining in the idle or inactive state (e.g., without transition to the connected state) .
  • the configuration may include area information (e.g., an area ID or a cell list) indicating a target area in which the positioning is to be performed.
  • the positioning task may include at least one of the following: receiving DL RS for the positioning (e.g., from BS 402A, a neighbor cell or both) ; reporting a measurement result related to the positioning; or transmitting UL RS for the positioning (e.g., to BS 402A, a neighbor cell or both) .
  • UE 401A may leave the target area and may inform BS 402A of its leaving.
  • the target area may be a part of a cell (e.g., the serving cell) .
  • the target area may include one or more than one cells.
  • UE 401A may transit from the inactive or idle state to the connected state. Then, UE 401A may transmit a leaving indication to BS 402A in operation 425a. In some embodiments, UE 401A may also transmit the measurement result related to the positioning to BS 402A in operation 425a.
  • BS 402A may transmit the ID of UE 401A (i.e., the ID of the UE leaving the target area) to AMF 407A or LMF 405A.
  • BS 402A may the UE ID to AMF 407A in operation 427a.
  • AMF 407A may transmit the UE ID to LMF 405A in operation 429a (denoted by dotted arrow as an option) .
  • FIG. 10 illustrates a block diagram of an exemplary apparatus 1000 according to some embodiments of the present disclosure.
  • the apparatus 1000 may include at least one processor 1006 and at least one transceiver 1002 coupled to the processor 1006.
  • the apparatus 1000 may be a UE, a BS, or a network node (e.g., an AMF, an SF, or an LMF) .
  • a network node e.g., an AMF, an SF, or an LMF
  • the transceiver 1002 may be divided into two devices, such as a receiving circuitry and a transmitting circuitry.
  • the apparatus 1000 may further include an input device, a memory, and/or other components.
  • the apparatus 1000 may be a UE.
  • the transceiver 1002 and the processor 1006 may interact with each other so as to perform the operations with respect to the UE described in FIGS. 1-9.
  • the apparatus 1000 may be a BS.
  • the transceiver 1002 and the processor 1006 may interact with each other so as to perform the operations with respect to the BS described in FIGS. 1-9.
  • the apparatus 1000 may be a network node.
  • the transceiver 1002 and the processor 1006 may interact with each other so as to perform the operations with respect to the network node described in FIGS. 1-9.
  • the apparatus 1000 may further include at least one non-transitory computer-readable medium.
  • the non-transitory computer-readable medium may have stored thereon computer-executable instructions to cause the processor 1006 to implement the method with respect to the UE as described above.
  • the computer-executable instructions when executed, cause the processor 1006 interacting with transceiver 1002 to perform the operations with respect to the UE described in FIGS. 1-9.
  • the non-transitory computer-readable medium may have stored thereon computer-executable instructions to cause the processor 1006 to implement the method with respect to the BS as described above.
  • the computer-executable instructions when executed, cause the processor 1006 interacting with transceiver 1002 to perform the operations with respect to the BS described in FIGS. 1-9.
  • the non-transitory computer-readable medium may have stored thereon computer-executable instructions to cause the processor 1006 to implement the method with respect to the network node as described above.
  • the computer-executable instructions when executed, cause the processor 1006 interacting with transceiver 1002 to perform the operations with respect to the network node described in FIGS. 1-9.
  • a software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, a hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
  • the operations or steps of a method may reside as one or any combination or set of codes and/or instructions on a non-transitory computer-readable medium, which may be incorporated into a computer program product.
  • the terms “includes, “ “including, “ or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
  • An element proceeded by “a, “ “an, “ or the like does not, without more constraints, preclude the existence of additional identical elements in the process, method, article, or apparatus that includes the element.
  • the term “another” is defined as at least a second or more.
  • the term “having” and the like, as used herein, are defined as "including.
  • Expressions such as “A and/or B” or “at least one of A and B” may include any and all combinations of words enumerated along with the expression.
  • the expression “A and/or B” or “at least one of A and B” may include A, B, or both A and B.
  • the wording "the first, " “the second” or the like is only used to clearly illustrate the embodiments of the present application, but is not used to limit the substance of the present application.

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  • Mobile Radio Communication Systems (AREA)

Abstract

Des modes de réalisation de la présente invention concernent un procédé et un appareil de détection et de communication intégrées. Selon certains modes de réalisation de l'invention, un équipement utilisateur (UE) peut recevoir, en provenance d'une couche supérieure de l'UE ou d'un noeud de réseau, une demande pour mettre en oeuvre une détection dans une zone cible ; et effectuer une tâche de détection en réponse à la demande de mise en oeuvre d'une détection dans la zone cible.
PCT/CN2022/120266 2022-09-21 2022-09-21 Procédé et appareil de détection et de communication intégrées WO2024060077A1 (fr)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102045887A (zh) * 2009-10-26 2011-05-04 财团法人工业技术研究院 无线感测网络的存取授权装置与方法
WO2021237486A1 (fr) * 2020-05-27 2021-12-02 Qualcomm Incorporated Capacité d'équipement utilisateur pour une détection sans fil
WO2021248404A1 (fr) * 2020-06-11 2021-12-16 Qualcomm Incorporated Procédé et appareil de détection radar sans fil à multiples cycles
WO2022171297A1 (fr) * 2021-02-12 2022-08-18 Telefonaktiebolaget Lm Ericsson (Publ) Commande de dispositifs de détection sans fil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102045887A (zh) * 2009-10-26 2011-05-04 财团法人工业技术研究院 无线感测网络的存取授权装置与方法
WO2021237486A1 (fr) * 2020-05-27 2021-12-02 Qualcomm Incorporated Capacité d'équipement utilisateur pour une détection sans fil
WO2021248404A1 (fr) * 2020-06-11 2021-12-16 Qualcomm Incorporated Procédé et appareil de détection radar sans fil à multiples cycles
WO2022171297A1 (fr) * 2021-02-12 2022-08-18 Telefonaktiebolaget Lm Ericsson (Publ) Commande de dispositifs de détection sans fil

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