Method for realizing remote sensing of object, related network node and related coverage enhancement device

Abstract

A method performed in a network node for enabling remote sensing of an object is disclosed. The method includes obtaining information indicating an operational mode capability of a coverage enhancement device (CED), where the operational mode capability indicates information indicating whether the CED has a capability to support a full duplex mode. The method includes obtaining a first configuration associated with a first spatial filter based on an operational mode capability in accordance with information indicating that the CED has a capability to support a full duplex mode, and transmitting the first configuration to the CED.

Description

Technical Field

[0001] This disclosure relates to the field of wireless communications. Specifically, it relates to methods for enabling remote sensing of objects, related network nodes, and related coverage enhancement devices. Background Technology

[0002] In future telecommunications systems (such as 3GPP systems and, for example, 6G), it is predicted that Joint Communications and Sensing (JCS or JCE) will be used. Joint Communications and Sensing addresses the use of hardware and spectrum resources for both communication and sensing purposes.

[0003] Traditionally, communication and sensing functions have been considered distinct domains, each with its own dedicated resource sets and infrastructure. However, with the growing demand for efficient resource utilization and enhanced network performance, the limitations of this approach have become apparent. JCS introduces a transformative approach by simultaneously leveraging hardware and spectrum resources to support both communication and sensing tasks within a unified framework.

[0004] While JCS demonstrates great potential in enhancing the capabilities of 3GPP systems and beyond, several challenges remain in achieving its deployment and optimal performance. Summary of the Invention

[0005] Therefore, there is a need for apparatus and methods for implementing remote sensing (such as remote sensing of objects) that can mitigate, alleviate or resolve existing drawbacks and provide, for example, the implementation of joint communication and sensing using a coverage enhancement device (CED).

[0006] A method for implementing remote sensing (such as remote sensing of objects) executed in a network node is disclosed. The method includes obtaining information indicating the operating mode capabilities of a coverage enhancement device (CED), wherein the operating mode capability indicates whether the CED has the capability to support full-duplex mode. The method includes obtaining a first configuration associated with a first spatial filter based on the operating mode capabilities, according to the information indicating that the CED has the capability to support full-duplex mode, and sending the first configuration to the CED.

[0007] In addition, a network node including memory circuitry, processor circuitry, and a wireless interface is provided. The network node is configured to perform any of the methods disclosed herein.

[0008] The advantage of this disclosure is that the disclosed methods and network nodes enable remote sensing, such as remote sensing of objects. The disclosed methods and network nodes enable joint communication and sensing, especially when using coverage enhancement devices (CEDs). This disclosure improves the accuracy of sensing, such as the accuracy of object location. It is understood that this disclosure enables the configuration of CEDs, which in turn allows joint communication and sensing via CEDs. Compared to sensing directly from network nodes, using CEDs to sense objects greatly increases the possibility of having a line-of-sight (LOS) channel towards the object. It is understood that CEDs are positioned such that they are in the LOS relative to the object of interest, such as a wireless device.

[0009] Furthermore, this disclosure improves angular resolution because the CED will be closer to the object than the NN. For example, if the object moves 5 meters, this might result in a 1-degree angular difference relative to the NN, while this would result in a 15-degree angular difference relative to the CED. Therefore, the accuracy of long-range sensing is improved by using the CED.

[0010] Furthermore, this disclosure reduces the cost of deploying infrastructure for remote object sensing and JCS. Using a CED for remote object sensing is cheaper than deploying a denser NN grid. This disclosure can leverage advantageous CED deployments and facilitates sensing over existing wireless communication infrastructure. In other words, configuring JCS on a CED enables the use of CEDs (such as existing CEDs) to perform object sensing over existing wireless communication infrastructure.

[0011] A method for enabling remote sensing (such as remote sensing of objects) performed in a coverage enhancement device (CED) is disclosed. The method includes sending a capability message to a network node indicating the CED's operating mode capabilities, wherein the operating mode capability indication indicates whether the CED has the capability to support full-duplex mode. The method also includes receiving a first configuration associated with a first spatial filter from the network node.

[0012] Furthermore, a coverage enhancement device (CED) is provided, comprising memory circuitry, processor circuitry, and a wireless interface. The CED is configured to perform any of the methods disclosed herein related to CED.

[0013] The advantages of this disclosure are that the disclosed method and CED enable remote sensing, such as remote sensing of objects. The disclosed method and CED enable joint communication and sensing, especially when using coverage enhancement devices. This disclosure improves the accuracy of sensing, such as the accuracy of object location. It is understood that this disclosure enables the configuration of the CED, which in turn allows joint communication and sensing via the CED. Compared to sensing directly from network nodes, using the CED to sense objects greatly increases the possibility of having a line-of-sight (LOS) channel towards the object. It is understood that the CEDs are positioned such that they are in LOS relative to the object of interest, such as a wireless device.

[0014] Furthermore, this disclosure improves angular resolution because the CED will be closer to the object than the NN. For example, if the object moves 5 meters, this might result in a 1-degree angular difference relative to the NN, while this would result in a 15-degree angular difference relative to the CED. Therefore, the accuracy of long-range sensing is improved by using the CED.

[0015] Furthermore, this disclosure reduces the cost of deploying infrastructure for remote object sensing and JCS. Using a CED for remote object sensing is cheaper than deploying a denser NN grid. This disclosure can leverage advantageous CED deployments and facilitates sensing over existing wireless communication infrastructure. In other words, configuring JCS on a CED enables the use of CEDs (such as existing CEDs) to perform object sensing over existing wireless communication infrastructure. Attached Figure Description

[0016] The above and other features and advantages of this disclosure will become apparent to those skilled in the art from the following detailed description of examples of the disclosure with reference to the accompanying drawings, in which: Figure 1 This is a diagram illustrating an example wireless communication system according to the present disclosure, including an example network node, an example CED, and an example wireless device. Figures 2A to 2B A flowchart illustrating an example method for remote sensing of an object performed in a network node according to this disclosure is shown. Figure 3 A flowchart illustrating an example method for remote sensing of an object performed in a CED according to this disclosure is shown. Figure 4 An example scenario is shown that applies the example techniques disclosed herein. Figure 5 This is a block diagram illustrating an example network node according to this disclosure, and Figure 6 This is a block diagram illustrating an example CED according to this disclosure. Detailed Implementation

[0017] Various examples and details are described below with reference to the accompanying drawings (where applicable). It should be noted that the drawings may be drawn to scale or not to scale, and throughout the drawings, elements with similar structures or functions are indicated by the same reference numerals. It should also be noted that the drawings are intended only to aid in the description of examples. They are not intended as an exhaustive description of this disclosure or as a limitation on the scope of this disclosure. Furthermore, the examples shown need not possess all the aspects or advantages illustrated. Aspects or advantages described in connection with a particular example are not necessarily limited to that example and can be practiced in any other example, even if not so stated or so explicitly described.

[0018] The accompanying drawings are schematic and simplified for clarity, and they only show details that aid in understanding this disclosure, while other details have been omitted. Throughout the text, the same reference numerals are used for the same or corresponding parts.

[0019] Figure 1 This is a diagram illustrating an example wireless communication system 1 according to the present disclosure. The wireless communication system 1 includes a wireless device 300, a network node 400, and a core network (CN) node 600.

[0020] As discussed in detail herein, this disclosure relates to a wireless communication system 1 that includes a cellular system (e.g., a 3GPP wireless communication system).

[0021] The network nodes disclosed herein refer to Radio Access Network (RAN) nodes operating in a Radio Access Network, such as base stations, evolved Node Bs (eNBs), global Node Bs, gNBs in NRs, and / or Transmit and Receive Points (TRPs). In one or more examples, an RAN node is a functional unit that can be distributed across several physical units.

[0022] The CN node disclosed in this document refers to a network node operating in the core network, such as a network node operating in the Evolved Packet Core (EPC) and / or the 5G Core (5GC). Examples of CN nodes in the EPC include the Mobility Management Entity (MME).

[0023] In one or more examples, a CN node is a functional unit that can be distributed across several physical units.

[0024] The wireless communication system 1 described herein may include one or more wireless devices 300 and / or one or more network nodes 400, such as base stations, eNBs, global nodes B, gNBs, and / or access points.

[0025] A wireless device may refer to a mobile device and / or a user equipment (UE). A wireless device (such as wireless device 300) may be considered as the subject of this document. Wireless device 300 may be configured to communicate with network node 400 via a wireless link (or radio access link) 10, 10A.

[0026] Wireless communication system 1 may include a coverage enhancement device (CED) 800, such as the CED disclosed herein. CED 800 may be one or more of a smart repeater, a reflective smart surface (RIS), a network control repeater (NCR), and / or another wireless device (WD). CED 800 can provide coverage enhancement for devices using 5G and above. CED 800 may be configured by network node 400 and / or CN node 600 and can be used to improve signal coverage in wireless communication system 1. CED 800 can be used to retransmit (e.g., forward) signals (such as data and / or control signals) between network node 400 and WD 300. Retransmission may be advantageous when WD 300 is located in a hard-to-reach location, such as at the boundary of the coverage area of ​​network node 400, and / or when the direct link between network node 400 and WD 300 is blocked. It is understood that CED 800 can also be used to increase multiple components and / or channel rank to support MIMO communication between network node 400 and WD 300, even in areas with good coverage. This disclosure can leverage advantageous CED deployments and facilitate sensing on existing wireless communication infrastructure. In other words, configuring JCS on a CED enables the use of a CED (such as an existing CED) to perform object sensing on existing wireless communication infrastructure. CED 800 may include multiple antenna elements, which may be configured with their own phase offsets. By controlling the phase offsets, such as jointly controlling the phase offsets, the angle of incidence and / or the angle of exit of signals received and / or transmitted by CED 800 can be controlled and / or adjusted. In one or more examples or embodiments, CED 800 receives signals at multiple antenna elements (such as multiple first antenna elements). These signals are then phase-shifted and then retransmitted from CED 800. These signals may be retransmitted by the same multiple first antenna elements, and alternatively or additionally, these signals may be retransmitted by different multiple antenna elements (such as multiple second antenna elements). For example, an NCR-type CED may need to be enabled for full-duplex operation. An NCR may have two separate antenna arrays, one facing the access side (e.g., towards an object) and the other facing the backhaul side (e.g., towards an NN). In one or more example methods, the angles of the incident and emitted signals can be controlled by controlling the relative phase between the antenna elements of the CED 800. The phase offset can be a capacitor-based phase offset and / or a true time delay line between the antenna elements of the CED 800, such as a time-domain offset. The WD 300 can be configured to communicate directly with the network node 400 via wireless link (or radio access link) 10 and / or via wireless link 10A through the CED 800. Wireless link 10A may be referred to herein as a reflected (e.g., retransmitted) wireless link.The CED 800 can be controlled by one or more network nodes (such as network node 400) or one or more wireless devices (such as WD 300). In one or more example implementations or examples, network node 400 can be considered as a CED control node, such as CED control node 700. One or more network nodes or wireless devices controlling the CED 800 may be referred to herein as coverage enhancement device control nodes. In one or more example methods, the coverage enhancement device control node can be a CN node, such as... Figure 1 CN node 600. In one or more example methods, the coverage enhancement device control node can be a node in an external network, which can access CED 800 via the Internet, for example, through a gateway function.

[0027] According to current disclosures, the CED 800 can be configured, for example, by the CED control node to perform and / or participate in remote sensing of objects, such as remote sensing of wireless devices, such as remote sensing between network node 400 and WD300.

[0028] Figures 2A to 2B A flowchart is shown of an example method 100 for remote sensing of an object, performed by a network node according to this disclosure. In other words, method 100 can be a method for remote sensing of a wireless device (such as wireless device 300). Method 100 can be a method for determining the location of an object, such as determining the direction of orientation toward the object and / or the velocity of the object. Method 100 can be used to remotely detect a spatial direction and sense the object when it is present in that spatial direction. This method can be a method capable of remotely sensing and / or detecting an object using a CED. Method 100 can be a method for controlling a CED. The network node is the network node disclosed herein, such as... Figure 1 , Figure 4 and Figure 5The network node 400 is involved. Method 100 includes obtaining, in S102, information indicating the operating mode capability of the coverage enhancement device (CED). The information indicating the operating mode capability can be considered as information related to the CED's ability to operate in a specific operating mode. For example, the information indicating the operating mode capability can be considered as information related to the CED's operating parameters or characteristics. The information indicating the operating mode capability can indicate what type of CED it is. The network node can then be configured to obtain additional information indicating the CED's operating mode capability based on the CED's type. For example, a RIS CED may support full-duplex mode by default. However, supporting full-duplex mode may be more challenging for other types of CEDs. For example, for NCR CEDs and / or relay stations, different types of CED configurations may be required to enable full-duplex mode. One way to enable an NCR to operate in FD mode is to implement different Rx and Tx antennas on the backhaul and access sides. This can be achieved through configurations as disclosed herein (such as the first configuration). The operating mode capability indication indicates whether the CED has the capability to support full-duplex FD mode. In other words, this information indicates whether the CED has the capability to support full-duplex mode. Operating mode capability can, for example, indicate whether the CED has the ability to enable and disable full-duplex mode. Operating mode capability can indicate whether the CED has full-duplex mode enabled by default or whether full-duplex mode must be activated. In one or more examples or implementations, operating mode capability can be associated with the CED's spatial filter configuration. In one or more examples or implementations, operating mode capability can indicate the transmission and / or reception capability (e.g., transmission capability) of probe signals (such as probe signals from the NN and / or reflections of probe signals from an object). The ability to support full-duplex mode can indicate whether the CED can transmit and receive on both the backhaul link (towards the NN) and towards the access side (e.g., the target of beam scanning, such as an object). In other words, the ability to support full-duplex mode can indicate whether the CED can transmit and receive simultaneously on both the backhaul link side and towards the access side. Typically, FD mode operation can be challenging because a high degree of isolation is required between the receive (Rx) port and the transmit (Tx) port. Currently, FD mode is standardized only for the NN side. For the NN side, FD mode can be allowed using port isolation achieved through the physical separation of the Rx and Tx antennas. By utilizing port isolation achieved through the physical separation of the Rx and Tx antennas, wireless devices and CEDs can also be allowed to operate in FD mode.

[0029] Method 100 includes obtaining, based on operating mode capabilities, a first configuration associated with a first spatial filter in step S104, according to information indicating that the CED has the capability to support full-duplex mode. Obtaining the first configuration associated with the first spatial filter can be considered as, for example, retrieving the first configuration from a database, receiving the first configuration from a CN node, and / or determining the first configuration based on operating mode capabilities. The first configuration can be configured to configure the CED using the first spatial filter. In other words, the first configuration may include one or more configuration parameters for configuring the CED using the first spatial filter. The first configuration may be associated with full-duplex mode capabilities. A spatial filter (such as the first spatial filter) can be configured to focus signals transmitted and / or received at the CED in a specific direction or area, while minimizing signals from other directions. This can be achieved using signal processing techniques such as beamforming and antenna array configuration. The first configuration may include one or more beamforming parameters and / or one or more antenna array configurations associated with the first spatial filter to be applied at the CED. For example, the first configuration may configure the CED at a specific angle relative to the CED to focus transmitted and / or received signals in a specific direction or directional range.

[0030] Method 100 includes sending a first configuration (S106) to the CED based on information indicating that the CED has the capability to support full-duplex mode. By sending the first configuration to the CED, the NN can configure the CED to enable remote sensing of objects, for example, using or via the CED.

[0031] In one or more example methods, obtaining the information in S102 indicating the CED's operating mode capabilities includes receiving a capability message in S102A indicating the CED's operating mode capabilities from the CED, wherein the operating mode capability indicates whether the CED has the capability to support full-duplex mode. In other words, the capability message indicates whether the CED has the capability to support full-duplex mode. It is understood that the capability message can be considered a general capability message from the CED, for example, including information about the CED's capabilities, and among other capabilities, information about the capability to support full-duplex mode. It is understood that when the CED includes baseband and / or regenerative types, the CED can impose a delay on the signal. This can be signaled by the CED in the capability message, for example. In one or more example embodiments, the CED's operating mode capabilities can be pre-stored in the network node's memory.

[0032] In one or more example methods, obtaining the information in S102 indicating the CED's operating mode capabilities includes sending a capability request (S102B) to the CED. A capability request can be considered a request for the CED's capabilities. In other words, a capability request can be considered a general request for the CED's capabilities. It is understood that a capability request can be a request for all of the CED's capabilities. A capability request can include a request for the CED's operating mode capabilities.

[0033] In one or more example methods, obtaining the information S102 indicating the CED's operating mode capabilities includes receiving a capability message S102C indicating the CED's operating mode capabilities from the CED in response to a capability request, wherein the operating mode capability indication indicates whether the CED has the capability to support full-duplex mode.

[0034] In one or more example methods, a first configuration is configured to enable full-duplex mode on the CED. Enabling full-duplex mode can be considered as activating full-duplex mode, for example, using a dedicated activation signal. Enabling full-duplex mode can be considered as being able to transmit and receive on both the backhaul link (towards the NN) and the access side (e.g., the target of beam scanning, such as an object) on the CED. For example, the first configuration can be configured to implement different Rx and Tx antennas on the backhaul and access sides of the CED to enable full-duplex mode. When the CED's operating mode capability indicates that full-duplex mode is not enabled by default on the CED (e.g., when the CED is not a RIS), the NN can enable full-duplex mode on the CED. In one or more example implementations, full-duplex mode can be enabled by default. In other words, when the CED's operating mode capability indicates that simultaneous transmission and reception on both the backhaul link and the access side is not enabled by default on the CED, the NN can achieve simultaneous transmission and reception on both the backhaul link and the access side. Full-duplex mode on a CED can be viewed as the CED's ability to simultaneously support uplink (UL) and downlink (DL) traffic. In one or more examples or implementations, the method includes sending a second configuration, independent of the first configuration, which is configured to enable full-duplex mode on the CED.

[0035] In one or more example methods, method 100 includes configuring S130 CED to disable full-duplex mode. Disabling full-duplex mode can be considered as deactivating full-duplex mode. Disabling full-duplex mode can be considered as disabling transmission and reception on both sides of the CED, both towards the backhaul link (towards the NN) and towards the access side (e.g., the target of beam scanning, such as an object).

[0036] In one or more examples or implementations, the method includes sending a third configuration, independent of the first configuration, which is configured to disable full-duplex mode on the CED. It is understood that full-duplex mode can be disabled when no longer needed, for example, to save power and / or bandwidth. Full-duplex mode may no longer be required.

[0037] In one or more example methods, configuring the S130 CED to disable full-duplex mode occurs after the remote sensing process. It is understood that full-duplex mode can be disabled when no longer needed, for example, to save power and / or bandwidth. After the remote sensing process, full-duplex mode may no longer be required.

[0038] In one or more example methods, method 100 includes sending a message to the CED at S108 instructing the CED to activate a reverse reflection mode. In one or more examples or implementations, method 100 includes sending a fourth configuration to the CED, the fourth configuration being configured to enable the reverse reflection mode of the CED. The reverse reflection mode can be considered as a mode in which the CED can reflect energy from a signal from the NN back to the CED of the NN. In other words, it enables the NN to sense the CED by receiving reflected signals from the CED in response to signals from the NN, such as in response to a probe signal.

[0039] In one or more example methods, method 100 includes receiving a reflected signal S110 from the CED. In one or more examples or implementations, the CED may be configured to reflect signals from the NN by default. The reflected signal may be a reflection of a first probe signal. In other words, receiving a reflected signal S110 from the CED can be considered as receiving reflected energy in response to a signal sent from the NN to the CED. In one or more examples or implementations, the method includes sending a dedicated probe signal toward the CED to determine the location of the CED. The reflected signal may be a reflection of the probe signal. In one or more examples or implementations, method 100 includes receiving a reflected signal S110 from the CED after a reverse reflection mode has been activated. It is understood that a reverse reflection mode can be considered as a reflected beam of the CED configured to reflect signals back to the NN. The reverse reflection mode may not necessarily be a reverse reflection mode for any angle. When the CED beam toward the NN is unknown, a reverse reflection configuration scan can be used, for example, continuously trying each CED beam. A reverse reflection mode can be considered as a reverse reflection configuration.

[0040] In one or more example methods, method 100 includes determining the location of the S112 CED based on reflected signals. For example, when the location of the CED (such as the relative position of the CED with respect to the NN) is not known to the NN, the NN can be configured to determine the location of the CED based on reflected signals. The location of the CED can be considered as the relative position between the CED and the NN. The location of the CED can be determined by measuring the time-of-flight (TOF) of the reflected signals to determine the distance between the NN and the CED. Furthermore, the angle between the NN and the CED can be determined based on the beam direction toward the CED. The location of the CED can be derived by having the distance to the CED and the angle toward the CED. It is understood that the NN can be configured to perform detection, such as radar detection of the CED, to determine the location of the CED. In one or more examples or implementations, the NN already knows the location of the CED, such as the NN having a stored location of the CED, such as stored in the NN's memory (such as memory 401). Determining the location of the S112 CED may include determining the relative position of the CED with respect to the NN based on reflected signals. It is understood that the NN may need an array antenna to determine the angle toward the CED, thereby determining the location of the CED.

[0041] In one or more example methods, method 100 includes transmitting a first probe signal for probing a first spatial direction via a CED and using a first spatial filter, in step S114. The probe signal (such as the first probe signal) can be considered a RADAR probe signal. In other words, the probe signal can be part of a RADAR probe performed by a NN.

[0042] The detection signal can also be represented as a RADAR probe or a RADAR pulse. The detection signal can include short-duration electromagnetic radiation pulses transmitted by a RADAR system to collect information about the environment surrounding the RADAR system, such as the object to be sensed. The detection signal can be considered a radio frequency electromagnetic signal. The detection signal can be used to detect and locate objects, as well as to measure their properties, such as distance, velocity, orientation, shape, and / or composition.

[0043] A spatial direction (such as a first spatial direction) can be considered a spatial range, such as the angular span or range for performing a probe in a given space. A first spatial direction can be considered an angular range, such as the angular detection range for a first probe signal. The first spatial direction is visible from the CED's perspective. In other words, a first spatial filter can configure the CED to transmit a first probe signal in the first spatial direction. The first spatial direction can be considered a first spatial direction range (such as the range within which the CED performs a scan).

[0044] It is understandable that the NN uses the CED to transmit a first detection signal for detecting a first spatial orientation and to perform remote sensing of the object.

[0045] In one or more example methods, method 100 includes receiving a first response signal associated with a first probe signal and a first spatial orientation via a CED S116. When a probe signal (such as the first probe signal) encounters an object in its path, a portion of the probe signal is reflected back to the RADAR receiver of the NN. This portion of the reflected first probe signal can be considered as the first response signal.

[0046] In one or more example methods, method 100 includes determining a first delay and / or a first Doppler shift in step S118 based on a first probe signal and a first response signal. The delay (such as a first delay) can be considered a time delay (such as a first time delay). The first delay can be a time delay between the first probe signal and the first response signal. The Doppler shift (such as a first Doppler shift) can be considered a frequency offset between the first probe signal and the first response signal. Determining the first delay and / or the first Doppler shift in step S118 based on the first probe signal and the first response signal may include measuring the first delay and / or the first Doppler shift based on the first probe signal and the first response signal.

[0047] In one or more example methods, method 100 includes determining the position and / or velocity of the object S120 based on a first delay and / or a first Doppler frequency shift, the position of the CED, and a first spatial filter. The NN can determine the distance to the object and / or the position of the object by analyzing the time delay between the first probe signal and the first response signal (such as an "echo"). In one or more examples or embodiments, determining the position of the object S120 may include determining the object's position based on the first delay, the position of the CED, and the first spatial filter. The object's position can be determined by determining the distance to the object, the direction toward the object, and knowing the position of the CED and the angle at which the CED is transmitting the first probe signal (such as a reflection angle). Furthermore, properties of the first response signal (such as frequency changes due to the Doppler effect compared to the first probe signal) can provide information about the object's velocity. It is understood that Doppler frequency shift measurements can achieve the determination of the object's velocity, but are limited to components along the beam. In one or more examples or embodiments, method 100 includes determining the object's acceleration based on the first delay and / or the first Doppler frequency shift, the position of the CED, and the first spatial filter. In one or more examples or implementations, the CED is configured to allow one beam to be guided back to the NN while another beam is simultaneously guided toward the object via beam splitting. This allows for measuring the CED's location and sensing the object using a single probe signal.

[0048] In one or more example methods, method 100 includes sending a second probe signal S122 toward a second spatial direction. The second probe signal can be considered as a direct transmission from the NN, without transmission via the CED. In other words, the second probe signal can be transmitted as a direct line-of-sight (LOS) from the NN toward the second spatial direction. The second spatial direction can be considered as a direction or range of directions as seen from the NN (e.g., a scan), such as what is seen from the NN's perspective.

[0049] The second spatial direction can be the same as the first spatial direction in some cases, for example, when both the CED and the object are within the LOS as seen from the NN. In other words, the first and second spatial directions can substantially or completely overlap. It is understood that when the NN is equipped with an array antenna capable of spatially guiding radiated energy (i.e., the NN is equipped with an array antenna capable of spatially guiding energy), it is feasible to transmit a second detection signal in the direct line-of-sight (LOS) transmission from the NN toward the second spatial direction. In some implementations, the second spatial direction (such as the LOS between the NN and the detection direction or the object) is obstructed. Therefore, detecting an object in the LOS from the NN may not always be feasible.

[0050] In one or more examples or implementations, in order to determine the position and / or true velocity of an object from a single measurement location (e.g., via CED only if LOS is blocked), it is necessary to measure the object by repeated measurements (i.e., tracking the trajectory of the object as it moves over time).

[0051] In one or more example methods, method 100 includes receiving a second response signal associated with the second probe signal in step S124. When the second probe signal encounters an object in its path, a portion of the second probe signal is reflected back to the RADAR receiver of the NN. This reflected portion of the second probe signal can be considered as the second response signal.

[0052] In one or more example methods, method 100 includes determining a second delay and / or a second Doppler shift in step S126 based on a second probe signal and a second response signal. The second delay may be a time delay between the second probe signal and the second response signal. The second Doppler shift may be considered as a frequency offset between the second probe signal and the second response signal. Determining the second delay and / or the second Doppler shift in step S126 based on the second probe signal and the second response signal may include measuring the second delay and / or the second Doppler shift based on the second probe signal and the second response signal.

[0053] In one or more example methods, method 100 includes determining the position and / or velocity of the object S128 based on a first delay and / or a first Doppler shift, and a second delay and / or a second Doppler shift.

[0054] By analyzing the time delay between the second probe signal and the second response signal (such as an "echo"), the NN can determine the distance to the object and / or the object's location. In one or more examples or implementations, determining the location of the object in S128 may include determining the object's location based on a second delay and a second spatial filter.

[0055] By combining two measurements (e.g., a first delay and / or a first Doppler shift, and a second delay and / or a second Doppler shift), the position and true velocity of an object can be determined. The two measurements (e.g., a combined LOS measurement and an NN-CED object path measurement) improve the accuracy of both position and velocity beyond what can be achieved by either a single LOS path measurement or an NN-CED object path measurement. Using two signals (i.e., a first probe signal, a first response signal, a second probe signal, and a second response signal), the position and velocity of an object can be measured with even greater precision.

[0056] If the CED location is known, the two measurements described above can be used to improve the performance of positioning and / or velocity determination.

[0057] In one or more examples or implementations, method 100 includes sending a first delay and / or a first Doppler shift, and a second delay and / or a second Doppler shift, to a location server LS, the location server LS being configured to perform determination of the position and / or velocity of an object based on the received first delay and / or first Doppler shift, and second delay and / or second Doppler shift.

[0058] In one or more example methods, the first probe signal and / or the second probe signal are RADAR signals used to perform RADAR sensing of the object.

[0059] Figure 3 A flowchart is shown of an example method 200 for remote sensing of an object performed by a coverage enhancement device (CED) according to this disclosure. In other words, method 200 can be a method for remote sensing of a wireless device (such as wireless device 300). Method 200 can be a method for determining the location of an object, such as determining the direction of orientation toward the object and / or the velocity of the object. Method 200 can be used to remotely detect a spatial direction and sense the object when it is present in that spatial direction. This method can be a method capable of remotely sensing and / or detecting an object using a CED. The coverage enhancement device (CED) is the CED disclosed herein, such as... Figure 1 , Figure 4 and Figure 6The coverage enhancement device 300 is included. Method 200 includes sending a capability message S202 indicating the operating mode capability of the CED to a network node, wherein the operating mode capability indication indicates whether the CED has the capability to support full-duplex mode.

[0060] Method 200 includes receiving, from a network node, a first configuration associated with a first spatial filter, S204.

[0061] In one or more example methods, method 200 includes receiving a request from a network node for the CED's operating mode capabilities.

[0062] In one or more example methods, method 200 includes sending an S202A capability message indicating the CED's operating mode capability to a network node in response to a request, wherein the operating mode capability indication indicates whether the CED has the capability to support full-duplex mode.

[0063] In one or more example methods, the first configuration is configured to enable full-duplex mode on the CED.

[0064] In one or more example methods, method 200 includes receiving from a network node a second configuration that S214 is configured to disable full-duplex mode.

[0065] In one or more example methods, method 200 includes disabling the S216 full-duplex mode according to a second configuration.

[0066] In one or more example methods, the second configuration is configured to disable full-duplex mode after the remote sensing process.

[0067] In one or more example methods, method 200 includes receiving a message from a network node, S206, instructing the CED to initiate reverse reflection mode.

[0068] In one or more example methods, method 200 includes reflecting a signal from a network node back to the network node, S208.

[0069] In one or more example methods, method 200 includes transmitting a first detection signal from a network node for detecting a first spatial direction using a first spatial filter, S210.

[0070] In one or more example methods, method 200 includes transmitting a first response signal associated with a first probe signal and a first spatial direction to a network node in step S212.

[0071] Understandable, Figures 2A to 2B Any definitions and terms used in the description may also be applied. Figure 3The description. For example, any definitions and terms associated with the methods performed by the NN disclosed herein may be applied to the definitions and terms associated with the methods performed by the CED disclosed herein.

[0072] Figure 4 This is a diagram illustrating an example scenario in which one or more example methods according to this disclosure are applied. Figure 4 This is a diagram illustrating an example scenario in which one or more example techniques as disclosed herein are applied. Figure 4 The diagram illustrates a network node NN 400 (such as the network node disclosed herein), a coverage enhancement device CED 800 (such as the CED disclosed herein), and an object 300 (such as the object disclosed herein). It can be understood that in... Figure 4 In the example, object 300 is a wireless device. Figure 4 An NN400 and a CED 800 are illustrated, configured to perform remote sensing of an object (such as object 300). The NN400 obtains information indicating the operating mode capabilities of the CED 800. The operating mode capability indication indicates whether the CED 800 has the capability to support full-duplex mode. Based on the information indicating that the CED 800 has the capability to support full-duplex mode, the NN400 obtains a first configuration associated with a first spatial filter and sends this first configuration to the CED 800. The CED 800 sends a capability message indicating the operating mode capabilities of the CED 800 to network node 400. The operating mode capability indication indicates whether the CED 800 has the capability to support full-duplex mode. The CED 800 receives the first configuration associated with the first spatial filter from network node 400.

[0073] In one or more examples or embodiments, the NN 400 transmits a first detection signal 12 for detecting a first spatial direction via the CED 800 and using a first spatial filter. In one or more examples or embodiments, the NN 400 receives a first response signal 12A associated with the first detection signal 12 and the first spatial direction via the CED 800. In one or more examples or embodiments, the NN 400 determines a first delay and / or a first Doppler shift based on the first detection signal 12 and the first response signal 12A.

[0074] In one or more examples or embodiments, CED 800 uses a first spatial filter to transmit a first probe signal 12 from network node 400 for detecting a first spatial orientation. It is understood that the first probe signal 12 transmitted by CED 800 may be a first transmitted probe signal 16. In one or more examples or embodiments, CED 800 transmits a first response signal 12A to network node 400 associated with the first probe signal 12 and the first spatial orientation. It is understood that the first response signal 12A transmitted by CED 800 may be a first transmitted response signal 16A. The first transmitted response signal 16A may respond to the first transmitted probe signal 16. The first response signal 12A may be transmitted by CED from object 300. When the first probe signal 12 encounters an object (such as object 300) in its path, a portion of the first probe signal 12 is reflected back to NN 400. This reflected portion of the first probe signal 12 may be considered as the first response signal 12A.

[0075] In one or more examples or implementations, the NN 400 can be configured to perform a scan in a first spatial direction, such as performing a scan within a first spatial direction range. In other words, the CED 800 can be configured to change the direction of the probe signal along the beam it transmits. This is in Figure 4 As shown, the CED 800 transmits different detection signals in different directions (e.g., towards different spatial directions). For example, the CED 800 transmits a third detection signal 14 and transmits a third response signal 14A associated with the third detection signal 14 and the third spatial direction to the NN 400. For example, the CED 800 transmits a fourth detection signal 18 and transmits a fourth response signal 18A associated with the fourth detection signal 18 and the fourth spatial direction to the NN 400. For example, the CED 800 transmits a fifth detection signal 20 and transmits a fifth response signal 20A associated with the fifth detection signal 20 and the fifth spatial direction to the NN 400. For example, the CED 800 transmits a sixth detection signal 22 and transmits a sixth response signal 22A associated with the sixth detection signal 22 and the sixth spatial direction to the NN 400. Figure 4As can be observed, the first detection signals 12, 16, and the fourth detection signal 18 have encountered the object 300, and the first response signals 12A, 16A, and the fourth response signal 18A are thus reflections from the object 300. In other words, the first response signals 12A, 16A, and the fourth response signal 18A are associated with the object 300. However, the third detection signal 14, the fifth detection signal 20, and the sixth detection signal 22 have not encountered the object 300. Therefore, the third response signal 14A, the fifth response signal 20A, and the sixth response signal 22A are not reflections from the object 300. It can be understood that the third detection signal 14, the fifth detection signal 20, and the sixth detection signal 22 may have encountered another object or may not have encountered an object at all.

[0076] By performing a scan, the NN 400 may be able to sense the object 300. For example, the NN 400 can compare response signals and identify response signals reflected from the same object.

[0077] In one or more examples or embodiments, the NN 400 transmits a second probe signal 24 toward a second spatial direction. In one or more examples or embodiments, the NN 400 receives a second response signal 24A associated with the second probe signal 24. In one or more examples or embodiments, the NN 400 determines a second delay and / or a second Doppler shift based on the second probe signal 24 and the second response signal 24A.

[0078] The second detection signal 24 can be considered a direct transmission from the NN 400, without transmission via the CED 800. In other words, the second detection signal 24 can be transmitted as a direct line-of-sight (LOS) transmission from the NN 400 toward a second spatial direction. The second spatial direction can be considered as a direction or range of directions seen from the NN 400 (e.g., a scan), such as what is seen from the NN 400's perspective. It is understood that when the NN 400 is equipped with an array antenna capable of guiding radiated energy in space (i.e., the NN 400 is equipped with an array antenna capable of guiding energy in space), it is feasible to transmit the second detection signal 24 in a direct line-of-sight (LOS) transmission from the NN 400 toward the second spatial direction. In some embodiments, the second spatial direction (such as the LOS between the NN 400 and the detection direction or object) is obstructed. Therefore, detecting objects in the LOS from the NN may not always be feasible.

[0079] The first distance D_1 can be considered as the distance between NN 400 and CED 800. In one or more examples or embodiments, NN 400 knows the first distance D_1, for example, the first distance D_1 is stored in the memory of NN 400. In one or more examples or embodiments, NN 400 is configured to determine the location of CED 800. For example, NN 400 can receive a reflected signal from CED 800 and can determine the location of CED 800 based on the reflected signal. It is understood that NN 400 can be configured to perform detection, such as radar detection of CED 800, to determine the location of CED 800. In one or more examples or embodiments, the reflected signal is a reflection of a first detection signal 12. In one or more examples or embodiments, the reflected signal is a reflection of a dedicated detection signal used to determine the location of CED 800.

[0080] The second distance D_2 can be considered as the distance between CED 800 and object 300. The second distance D_2 can be determined by NN400 based on the first detection signal 12 and the first response signals 12A and 16A. Distance D_2 can be used to determine the position of object 300. The position of object 300 can be determined by determining the distance D_2 to object 300, the direction toward object 300, and knowing the position of CED 800 and the angle (such as reflection angle) at which CED 800 transmits the first detection signal.

[0081] The third distance D_3 can be considered as the distance between NN 400 and object 300. The third distance D_3 can be determined by NN 400 based on the first detection signal 12, the first response signals 12A and 16A, the second detection signal 24, the second response signal 24A, the first distance D_1, and / or the second distance D_2. Distance D_3 can be considered as the LOS distance between NN 400 and object 300.

[0082] Figure 5 A block diagram of an example network node NN 400 according to this disclosure is shown. NN 400 includes memory circuitry 401, processor circuitry 402, and a wireless interface 403. NN 400 can be configured to perform... Figures 2A to 2B Any of the methods disclosed herein. In other words, the NN 400 can be configured to implement remote sensing, such as remote sensing of objects.

[0083] The NN 400 is configured to communicate with a CED (such as the CED disclosed herein) using a wireless communication system.

[0084] The wireless interface 403 is configured to conduct wireless communication via a wireless communication system, such as a 3GPP system, such as a 3GPP system that supports one or more of the following: New Radio (NR), Narrowband IoT (NB-IoT), and Long Term Evolution-Enhanced Machine-Class Communication (LTE-M), millimeter wave communication (such as millimeter wave communication in licensed bands, such as device-to-device millimeter wave communication in licensed bands, such as NTN and / or sidechain communication).

[0085] The NN 400 is configured to obtain information indicating the operating mode capabilities of the CED (such as the CED 800 disclosed herein) via the wireless interface 403 and / or memory circuitry 401. The operating mode capability indication indicates whether the CED has the capability to support full-duplex mode. Based on the information indicating that the CED has the capability to support full-duplex mode, the NN 400 is configured to obtain a first configuration associated with the first spatial filter based on the operating mode capability (such as via the wireless interface 403 and / or memory circuitry 401), and transmit this first configuration to the CED (such as via the wireless interface 403 and / or using processor circuitry 402).

[0086] Processor circuit 402 is optionally configured to execute Figures 2A to 2B Any operation disclosed herein (such as any one or more of S102, S102A, S102B, S102C, S104, S106, S108, S110, S112, S114, S116, S118, S120, S122, S124, S126, S128, S130). The operation of NN 400 may be embodied in the form of executable logic routines (e.g., lines of code, software programs, etc.), which are stored on a non-transitory computer-readable medium (e.g., memory circuitry 401) and executed by processor circuitry 402.

[0087] Furthermore, the operation of the NN 400 can be viewed as the NN 400 being configured to perform certain methods, and vice versa. Moreover, while the described functions and operations can be implemented in software, such functions can also be performed via dedicated hardware or firmware, or a combination of hardware, firmware, and / or software.

[0088] The memory circuit 401 may be one or more of a buffer, flash memory, hard disk drive, removable media, volatile memory, non-volatile memory, random access memory (RAM), or other suitable devices. In a typical arrangement, the memory circuit 401 may include non-volatile memory for long-term data storage and volatile memory used as system memory for the processor circuit 402. The memory circuit 401 may exchange data with the processor circuit 402 via a data bus. Control lines and an address bus may also exist between the memory circuit 401 and the processor circuit 402 (in... Figure 5 (Not shown in the image). The memory circuit 401 is considered a non-transitory computer-readable medium.

[0089] The memory circuit 401 can be configured to store the CED's measurements, configuration, measurement data, and capabilities in a portion of the memory.

[0090] Figure 6 A block diagram of an example CED 800 according to this disclosure is shown. The CED 800 includes memory circuitry 801, processor circuitry 802, and wireless interface 803. The CED 800 can be configured to perform... Figure 3 Any of the methods disclosed herein.

[0091] The CED 800 is configured to communicate with network nodes disclosed herein, such as CED control nodes, using a wireless communication system.

[0092] The wireless interface 803 is configured to conduct wireless communication via a wireless communication system, such as a 3GPP system, such as a 3GPP system that supports one or more of the following: New Radio (NR), Narrowband IoT (NB-IoT), and Long Term Evolution-Enhanced Machine-Class Communication (LTE-M), millimeter wave communication (such as millimeter wave communication in licensed bands, such as device-to-device millimeter wave communication in licensed bands, such as NTN and / or sidechain communication).

[0093] CED 800 is configured to send a capability message indicating the operating mode capabilities of CED 800 to network node 400, for example, via wireless interface 803. The operating mode capability indication indicates whether CED 800 has the capability to support full-duplex mode. CED 800 is configured to receive, for example, a first configuration associated with a first spatial filter from network node 400 via wireless interface 803.

[0094] Processor circuit 802 is optionally configured to execute Figure 3Any operation disclosed herein. The operation of CED 800 may be manifested in the form of executable logic routines (e.g., lines of code, software programs, etc.), which are stored on a non-transitory computer-readable medium (e.g., memory circuitry 801) and executed by processor circuitry 802.

[0095] Furthermore, the operation of the CED 800 can be viewed as the CED 800 being configured to perform certain methods, and vice versa. Moreover, while the described functions and operations can be implemented in software, such functions can also be performed via dedicated hardware or firmware, or a combination of hardware, firmware, and / or software.

[0096] The memory circuit 801 may be one or more of a buffer, flash memory, hard disk drive, removable media, volatile memory, non-volatile memory, random access memory (RAM), or other suitable devices. In a typical arrangement, the memory circuit 801 may include non-volatile memory for long-term data storage and volatile memory used as system memory for the processor circuit 802. The memory circuit 801 may exchange data with the processor circuit 802 via a data bus. Control lines and an address bus may also exist between the memory circuit 801 and the processor circuit 802 (in... Figure 6 (Not shown in the image). The memory circuit 801 is considered a non-transitory computer-readable medium.

[0097] The memory circuit 801 can be configured to store the CED's measurements, configuration, measurement data, and capabilities in a portion of the memory.

[0098] Examples of methods and products (network nodes and coverage enhancement devices) based on this disclosure are illustrated in the following: 1. A method (100) for remote sensing of an object, executed in a network node, the method comprising: (S102) Obtain information indicating the operating mode capability of the coverage enhancement device CED, wherein the operating mode capability indication indicates whether the CED has the capability to support full-duplex mode. Based on information indicating that the CED has the capability to support full-duplex mode: Based on the operating mode capability, a first configuration associated with the first spatial filter is obtained (S104); and Send (S106) the first configuration to CED.

[0099] 2. The method according to item 1, wherein obtaining (S102) information indicating the CED's operating mode capability includes: Receive (S102A) a capability message from the CED indicating the CED's operating mode capabilities, wherein the operating mode capability indication indicates whether the CED has the capability to support full-duplex mode.

[0100] 3. The method according to item 2, wherein obtaining (S102) information indicating the CED's operating mode capability includes: Send a capability request (S102B) to the CED; and In response to a capability request, a capability message indicating the CED's operating mode capability is received from the CED (S102C), wherein the operating mode capability indication indicates whether the CED has the capability to support full-duplex mode.

[0101] 4. The method according to any one of the preceding items, wherein the first configuration is configured to enable full-duplex mode on the CED.

[0102] 5. The method according to any one of the preceding items, the method comprising: Configure (S130) CED to disable full-duplex mode.

[0103] 6. The method according to item 5, wherein configuring (S130) the CED to disable full-duplex mode is after the remote sensing process.

[0104] 7. The method according to any one of the preceding items, the method comprising: Send a message (S108) to the CED instructing the CED to activate reverse reflection mode.

[0105] 8. The method according to any one of the preceding items, the method comprising: Receive the reflected signal from the CED (S110); and The location of (S112) CED is determined based on the reflected signal.

[0106] 9. The method according to any one of the preceding items, the method comprising: A first detection signal for detecting a first spatial direction is transmitted via CED and using a first spatial filter (S114); A first response signal associated with the first detection signal and the first spatial direction is received via CED (S116); and Based on the first detection signal and the first response signal, determine (S118) the first delay and / or the first Doppler frequency shift.

[0107] 10. The method according to item 9, the method comprising: Based on the first delay and / or the first Doppler frequency shift, the position of the CED, and the first spatial filter, determine (S120) the position and / or velocity of the object.

[0108] 11. The method according to any one of the preceding items, the method comprising: Send a second detection signal (S122) toward the direction of the second space; Receive (S124) a second response signal associated with the second detection signal; and Based on the second detection signal and the second response signal, determine (S126) the second delay and / or the second Doppler frequency shift.

[0109] 12. The method according to items 9 and 11, the method comprising: Based on the first delay and / or the first Doppler frequency shift, and the second delay and / or the second Doppler frequency shift, the position and / or velocity of the object are determined (S128).

[0110] 13. The method according to any one of items 9 to 12, wherein the first detection signal and / or the second detection signal are RADAR signals for performing RADAR sensing of the object.

[0111] 14. A method (200) for remote sensing of an object, executed in a coverage enhancement device (CED), the method comprising: Send a capability message (S202) to the network node indicating the CED's operating mode capabilities, wherein the operating mode capability indication indicates whether the CED has the capability to support full-duplex mode; and Receive (S204) a first configuration associated with the first spatial filter from the network node.

[0112] 15. The method according to item 14, the method comprising: Receive (S201) a request for the CED's operating mode capabilities from the network node; and In response to the request, a capability message (S202A) indicating the CED's operating mode capability is sent to the network node, wherein the operating mode capability indication indicates whether the CED has the capability to support full-duplex mode.

[0113] 16. The method according to any one of items 14 to 15, wherein the first configuration is configured to enable full-duplex mode on the CED.

[0114] 17. The method according to any one of items 14 to 16, the method comprising: The second configuration received from the network node (S214) is configured to disable full-duplex mode; and Full-duplex mode is disabled according to the second configuration (S216).

[0115] 18. The method according to item 17, wherein the second configuration is configured to disable full-duplex mode after the remote sensing process.

[0116] 19. The method according to any one of items 14 to 18, the method comprising: Receive (S206) a message from the network node instructing the CED to initiate reverse reflection mode.

[0117] 20. The method according to any one of items 14 to 19, the method comprising: The signal from the network node is reflected back to the network node (S208).

[0118] 21. The method according to any one of items 14 to 20, the method comprising: Transmit (S210) a first detection signal from the network node for detecting a first spatial direction using a first spatial filter; and Transmit (S212) a first response signal associated with the first detection signal and the first spatial direction to the network node.

[0119] 22. A network node (400) comprising: a memory circuit (401), a processor circuit (402), and a wireless interface (403), wherein the network node (400) is configured to perform any one of the methods according to any one of claims 1 to 13.

[0120] 23. A coverage enhancement device CED (800) comprising: a memory circuit (801), a processor circuit (802), and a wireless interface (303), wherein the CED (800) is configured to perform any of the methods according to any one of claims 14 to 21.

[0121] The use of terms such as "first," "second," "third," and "fourth," "level one," "level two," and "level three," etc., does not imply any specific order, but is included to identify individual elements. Furthermore, the use of terms such as "first," "second," "third," and "fourth," "level one," "level two," and "level three," etc., does not indicate any order or importance, but is used to distinguish one element from another. Note that the terms "first," "second," "third," and "fourth," "level one," "level two," and "level three," etc., here and elsewhere, are used solely for labelling purposes and are not intended to indicate any specific spatial or temporal order. Moreover, the labeling of a first element does not imply the existence of a second element, and vice versa.

[0122] It is understood that the accompanying drawings include some circuits or operations shown using solid lines and some circuits, components, features, or operations shown using dashed lines. The circuits or operations included in solid lines are those included in the broadest examples. The circuits, components, features, or operations included in dashed lines are examples that may include or be part of the circuits, components, features, or operations shown in the solid-line examples, or additional circuits, components, features, or operations that may be taken in addition to those shown in the solid-line examples. It should be understood that these operations do not need to be performed in the order presented. Furthermore, it should be understood that not all operations need to be performed. The example operations can be performed in any order and in any combination. It should be understood that these operations do not need to be performed in the order presented. The circuits, components, features, or operations included in dashed lines can be considered optional.

[0123] Other operations not described in this document may be combined with the example operations. For example, one or more additional operations may be performed before, after, simultaneously with, or between any of the described operations.

[0124] Some of the features discussed above as individual implementations can also be implemented as a single implementation in a combination. Conversely, features described as a single implementation can also be implemented separately or in any suitable sub-combination in multiple implementations. Furthermore, while features may be described above as functioning in certain combinations, in some cases, one or more features from the claimed combination can be removed from the combination, and the combination can be claimed as any sub-combination or any variation of the sub-combination.

[0125] It is important to note that the word "including" does not necessarily exclude the presence of other elements or steps besides those listed. It is also important to note that the word "a" or "one" preceding an element does not exclude the presence of multiple such elements.

[0126] It should also be noted that any reference numerals do not limit the scope of the claims, these examples can be implemented at least in part by means of hardware and software, and several “tools,” “units,” or “apparatus” can be represented by the same hardware item.

[0127] The various example methods, apparatuses, nodes, and systems described herein are described in the general context of method steps or processes. In one aspect, these method steps or processes can be implemented by a computer program product, which includes computer-executable instructions such as program code that are executed by a computer in a networked environment and reside in a computer-readable medium. Computer-readable media can include removable and non-removable storage devices, including but not limited to read-only memory (ROM), random access memory (RAM), compact discs (CDs), digital versatile discs (DVDs), etc. Typically, program circuitry can include routines, programs, objects, components, data structures, etc., that perform a specified task or implement a particular abstract data type. Computer-executable instructions, associated data structures, and program circuitry represent examples of program code for performing steps of the methods disclosed herein. A particular sequence of such executable instructions or associated data structures represents examples of corresponding actions for implementing the functionality described in such steps or processes.

[0128] Although features have been shown and described, it will be understood that they are not intended to limit the scope of the claimed disclosure, and it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the scope of the claimed disclosure. Therefore, the specification and drawings are to be regarded as illustrative rather than restrictive. The claimed disclosure is intended to cover all substitutions, modifications, and equivalents.

Claims

1. A method (100) for remote sensing of an object, executed in a network node, the method comprising: (S102) Obtain information indicating the operating mode capability of the coverage enhancement device CED, wherein the operating mode capability indication indicates whether the CED has the capability to support full-duplex mode; Based on information indicating that the CED has the capability to support the full-duplex mode: Based on the aforementioned operating mode capability, a first configuration associated with the first spatial filter is obtained (S104); and The first configuration is sent to the CED (S106).

2. The method according to claim 1, wherein, Obtaining (S102) information indicating the operating mode capability of the CED includes: The system receives (S102A) a capability message indicating the operating mode capability of the CED, wherein the operating mode capability indication indicates whether the CED has the capability to support the full-duplex mode.

3. The method according to claim 2, wherein, Obtaining (S102) information indicating the operating mode capability of the CED includes: Send a capability request (S102B) to the CED; and In response to the capability request, a capability message indicating the operating mode capability of the CED is received from the CED (S102C), wherein the operating mode capability indication indicates whether the CED has the capability to support the full-duplex mode.

4. The method according to any one of the preceding claims, wherein, The first configuration is configured to enable the full-duplex mode on the CED.

5. The method according to any one of the preceding claims, the method comprising: Configure (S130) the CED to disable the full-duplex mode.

6. The method according to claim 5, wherein, The configuration (S130) of the CED to disable the full-duplex mode is performed after the remote sensing process.

7. The method according to any one of the preceding claims, the method comprising: A message (S108) instructing the CED to activate the reverse reflection mode is sent to the CED.

8. The method according to any one of the preceding claims, the method comprising: Receive the reflected signal from the CED (S110); as well as The position of the CED is determined based on the reflected signal (S112).

9. The method according to any one of the preceding claims, the method comprising: A first detection signal for detecting a first spatial direction is transmitted via the CED and using the first spatial filter (S114); The first response signal associated with the first detection signal and the first spatial direction is received via the CED (S116); as well as Based on the first detection signal and the first response signal, determine (S118) the first delay and / or the first Doppler frequency shift.

10. The method according to claim 9, wherein the method comprises: Based on the first delay and / or the first Doppler frequency shift, the position of the CED, and the first spatial filter, determine (S120) the position and / or velocity of the object.

11. The method according to any one of the preceding claims, the method comprising: Send a second detection signal (S122) toward the direction of the second space; Receive (S124) a second response signal associated with the second detection signal; as well as Based on the second detection signal and the second response signal, determine (S126) the second delay and / or the second Doppler frequency shift.

12. The method according to claims 9 and 11, wherein the method comprises; The position and / or velocity of the object are determined (S128) based on the first delay and / or the first Doppler frequency shift, and the second delay and / or the second Doppler frequency shift.

13. The method according to any one of claims 9 to 12, wherein, The first detection signal and / or the second detection signal are RADAR signals used to perform RADAR sensing of the object.

14. A method (200) for remote sensing of an object, performed in a coverage enhancement device (CED), the method comprising: Sending (S202) a capability message to the network node indicating the operating mode capability of the CED, wherein the operating mode capability indication indicates whether the CED has the capability to support full-duplex mode; and Receive (S204) a first configuration associated with the first spatial filter from the network node.

15. The method of claim 14, wherein the method comprises: Receive (S201) a request for the operating mode capability of the CED from the network node; as well as In response to the request, a capability message (S202A) indicating the operating mode capability of the CED is sent to the network node, wherein the operating mode capability indication indicates whether the CED has the capability to support the full-duplex mode.

16. The method according to any one of claims 14 to 15, wherein, The first configuration is configured to enable the full-duplex mode on the CED.

17. The method according to any one of claims 14 to 16, the method comprising: The network node receives (S214) a second configuration that disables the full-duplex mode; as well as The full-duplex mode is disabled according to the second configuration (S216).

18. The method according to claim 17, wherein, The second configuration is configured to disable the full-duplex mode after the remote sensing process.

19. The method according to any one of claims 14 to 18, the method comprising: Receive (S206) a message from the network node instructing the CED to initiate reverse reflection mode.

20. The method according to any one of claims 14 to 19, the method comprising: The signal from the network node is reflected back to the network node (S208).

21. The method according to any one of claims 14 to 20, the method comprising: The first detection signal for detecting a first spatial direction is transmitted (S210) from the network node using the first spatial filter; as well as Transmit (S212) a first response signal associated with the first detection signal and the first spatial direction to the network node.

22. A network node (400), comprising: The network node (400) includes a memory circuit (401), a processor circuit (402), and a wireless interface (403), wherein the network node (400) is configured to perform any of the methods according to any one of claims 1 to 13.

23. A coverage enhancement device CED (800), comprising: The CED (800) includes a memory circuit (801), a processor circuit (802), and a wireless interface (303), wherein the CED (800) is configured to perform any of the methods according to any one of claims 14 to 21.

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