APPARATUS AND METHOD FOR TRANSMITTING OR RECEIVING BEAM DIRECTION CONFIGURATIONS - Patent application

Abstract

According to an embodiment, an apparatus (210) for transmitting and receiving data in a wireless communication system is provided. The apparatus (210) is configured to receive a first message and / or a second message from a further network entity. Moreover, the apparatus (210) is configured to determine one or more transmit spatial filters and / or one or more receive spatial filters and / or one or more beam directions, the one or more transmit spatial filters and / or the one or more receive spatial filters being identical to at least one initial spatial filter or being derived by the apparatus (210) from at least one initial spatial filter, and the one or more beam directions being identical to at least one initial beam direction or being derived by the apparatus (210) from at least one initial beam direction. Furthermore, the apparatus (210) is configured to apply the one or more transmit spatial filters and / or the one or more receive spatial filters and / or one or more beam directions to one or more downlink resources and / or one or more uplink resources.

Description

[Technical field]

[0001] The present invention relates to the field of wireless communication systems or networks, and more particularly to transmitting or receiving beam direction configurations in such networks. [Background technology]

[0002] FIG. 1 includes a core network 102 and one or more radio access networks RAN1, RAN2, ...RAN N FIG. 1b is a schematic representation of an example of a terrestrial wireless network 100 including a radio access network (RAN), which may include one or more base stations gNB1 to gNB5 (gNB = next generation Node B), each serving a particular area surrounding the base stations, which are represented diagrammatically by respective cells 1061 to 1065. n FIG. 1b is a schematic representation of an example of a RAN. A base station is provided to serve users in a cell. One or more base stations may serve users in licensed and / or unlicensed spectrum. The term base station (BS) refers to a gNB in ​​a 5G network, an eNB in ​​UMTS / LTE / LTE-A / LTE-A Pro, or simply a BS in other mobile communication standards. A user may be a fixed or mobile device. A wireless communication system may also be accessed by a mobile or fixed Internet of Things (IoT) device that connects to a base station or a user. A mobile or IoT device may include a physical device, a ground vehicle such as a robot or a car, an aircraft such as a manned aircraft or an unmanned aerial vehicle (UAV), also called a drone, a building, and other items or devices that incorporate electronics, software, sensors, actuators, etc., and have a network connection that allows the device to collect and exchange data across an existing network infrastructure. FIG. 1b shows an example diagram of five cells, but the RAN may not include a RAN. nmay contain more or fewer such cells, and the RAN nmay also include only one base station. Fig. 1b shows two users UE1 and UE2 (UE = User Equipment), also called User Equipment (UE), in a cell 1062 and served by a base station gNB2. Another user UE3 is shown in a cell 1064 served by a base station gNB4. Arrows 1081, 1082 and 1083 represent generally uplink / downlink connections for transmitting data from users UE1, UE2 and UE3 to the base stations gNB2, gNB4 or from the base stations gNB2, gNB4 to users UE1, UE2, UE3. This may be realized in licensed or unlicensed spectrum. Furthermore, Fig. 1b shows two IoT devices 1101 and 1102 in the cell 1064, which may be fixed or mobile devices. The IoT device 1101 accesses the wireless communication system via the base station gNB4 and receives and transmits data as generally represented by the arrow 1121. The IoT device 1102 accesses the wireless communication system via a user UE3, as represented diagrammatically by the arrow 1122. The respective base stations gNB1 to gNB5 may be connected to the core network 102 via respective backhaul links 1141 to 1145, for example via an S1 interface, which are represented diagrammatically by FIG. 1b by an arrow pointing to "core". The core network 102 may be connected to one or more external networks. The external network may be the Internet, or a private network, such as an intranet or any other type of campus network, for example a private WiFi or a 4G or 5G mobile communication system. Furthermore, some or all of the respective base stations gNB1 to gNB5 may be connected to each other via respective backhaul links 1161 to 1165, for example via an S1 or X2 interface or XN interface in NR (New Radio), which are represented diagrammatically in FIG. 1b by an arrow pointing to "gNB".Sidelink channels enable direct communication between UEs, also called Device to Device (D2D) communication. The sidelink interface in 3GPP (3G Partnership Project) is named PC5 (Proximity-based Communication 5).

[0003] For data transmission, a physical resource grid may be used, which may include a set of resource elements onto which various physical channels and physical signals are mapped. For example, the physical channels may include physical downlink, uplink and sidelink shared channels (PDSCH (Physical Downlink Shared Channel), PUSCH (Physical Uplink Shared Channel), PSSCH (Physical Sidelink Shared Channel)) carrying user-specific data, also referred to as downlink, uplink and sidelink payload data; a physical broadcast channel PBCH (Physical Broadcast Channel) carrying, e.g., a master information block (MIB), and, if supported, one or more system information blocks (SIBs), one or more sidelink information blocks (SLIBs); physical downlink, uplink and sidelink control channels (PDCCH (Physical Downlink Control Channel), PUCCH (Physical Uplink Shared Channel), PSSCH) carrying, e.g., downlink control information (DCI), uplink control information (UCI), and sidelink control information (SCI); and a physical sidelink feedback channel (PSFCH (Physical Sidelink Feedback Channel)) carrying PC5 feedback responses. It should be noted that the sidelink interface may support two stages of SCI (Speech Call Items). This refers to a first control area that contains some portions of the SCI, and optionally a second control area that contains a second portion of the control information.

[0004] For the uplink, the physical channels may further include a physical random access channel (PRACH (Packet Random Access Channel) or RACH (Random Access Channel)), which is used by the UE to access the network once the UE has synchronized and acquired the MIB and SIB. The physical signals may include reference signals or symbols (RS), synchronization signals, etc. The resource grid may include a frame or radio frame with a certain length in the time domain and a given bandwidth in the frequency domain. The frame may have a certain number of subframes of a predefined length, e.g., 1 ms. Each subframe may include one or more slots of 12 or 14 OFDM symbols (OFDM = Orthogonal Frequency Division Multiplexing) depending on the length of the cyclic prefix (CP). The frame may also include fewer OFDM symbols, for example when utilizing a shortened transmission time interval sTTI (slot or subslot transmission time interval) or a minislot / non-slot based frame structure that includes only a small number of OFDM symbols.

[0005] The wireless communication system may be any single-tone or multi-carrier system using frequency division multiplexing, such as orthogonal frequency division multiplexing (OFDM) or orthogonal frequency division multiple access (OFDMA (Orthogonal Frequency Division Multiple Access)), or any other IFFT-based signal (IFFT = Inverse Fast Fourier Transform), with or without CP, e.g. DFT-s-OFDM (DFT = Discrete Fourier Transform). Other waveforms, such as non-orthogonal waveforms for multiple access, e.g. Filter Bank Multi-Carrier (FBMC), Generalized Frequency Division Multiplexing (GFDM), or Universal Filter Multi-Carrier (UFMC), may be used. The wireless communication system may operate, for example, according to the LTE-Advanced pro standard, or the 5G or NR (New Radio) standard, or the NR-U (New Radio Unlicensed) standard.

[0006] The wireless network or communication system shown in Figure 1 may be a heterogeneous network with separate superimposed networks, for example a network of macro cells with each macro cell including a macro base station such as base stations gNB1 to gNB5, a network of small cell base stations not shown in Figure 1, such as femto or pico base stations. In addition to the terrestrial wireless networks described above, there are also non-terrestrial wireless communication networks (NTNs) including transceivers orbiting the Earth, such as satellites, and / or airborne transceivers, such as unmanned aerial systems. The non-terrestrial wireless communication networks or systems may operate in a similar manner to the terrestrial systems as described above with respect to Figure 1, for example according to the LTE-Advanced Pro standard or the 5G or new radio (NR) standard.

[0007] In a mobile communication network, e.g., a network such as that described above with respect to FIG. 1, such as an LTE or 5G / NR network, there may be UEs that communicate directly with each other over one or more sidelink (SL) channels, e.g., using a PC5 / PC3 interface or WiFi direct. UEs that communicate directly with each other over sidelink may include vehicles that communicate directly with other vehicles (V2V communication), other entities of the wireless communication network, e.g., roadside units (RSUs), or vehicles that communicate with roadside entities such as traffic signals, traffic signs, or pedestrians (V2X communication). RSUs may have the functionality of a BS or a UE, depending on the specific network configuration. The other UEs may not be UEs associated with vehicles and may include any of the devices mentioned above. Such devices may also communicate directly with each other (D2D communication) using SL channels.

[0008] In wireless communications networks such as the one shown in Figure 1, it may be desired to locate a UE with a certain accuracy, e.g., determine the location of the UE in a cell. Several positioning techniques are known, such as satellite-based positioning techniques, e.g., autonomous Assisted Global Navigation Satellite Systems (A-GNSS) such as GPS, mobile radio cellular positioning techniques, e.g., Observed Time Difference of Arrival (OTDOA), Enhanced Cell ID (E-CID), or a combination of these.

[0009] Please note that the information in the above section is merely intended to enhance understanding of the background of the present invention and may contain information that does not form part of prior art already known to those skilled in the art. Fraunhofer IIS, Fraunhofer HHI: "NR beam management supporting multi-gNB measurements for positioning", vol. RAN WG1, no. Spokane, US; 20181112 - 20181116, 11 November 2018 (2018-11-11), XP051555639 discloses how to enable measurements of reference signals used for positioning that are transmitted (or received) in highly directional beams from (or at) different locations. Summary of the Invention [Problem to be solved by the invention]

[0010] In light of the above, there may be a need for improvements or refinements with regard to transmitting or receiving beam direction configurations in a wireless communication system or network. [Means for solving the problem]

[0011] According to an embodiment, an apparatus for transmitting and receiving data in a wireless communication system is provided. The apparatus is configured to receive a first message and / or a second message from a further network entity. Moreover, the apparatus is configured to determine one or more transmit spatial filters and / or one or more receive spatial filters and / or one or more beam directions, the one or more transmit spatial filters and / or one or more receive spatial filters being identical to at least one initial spatial filter or being derived by the apparatus from at least one initial spatial filter. The one or more beam directions being identical to at least one initial beam direction or being derived by the apparatus from at least one initial beam direction. Furthermore, the apparatus is configured to apply one or more transmit spatial filters and / or one or more receive spatial filters and / or one or more beam directions to one or more downlink resources and / or one or more uplink resources.

[0012] In an embodiment, the apparatus may be configured to receive a first message from a further network entity of the wireless network, e.g., indicating a measurement request, indicating an information request, or indicating a positioning activation request. Moreover, the apparatus may be configured to receive a second message from the further network entity, e.g., including an indication of at least one initial spatial filter or at least one initial beam direction for transmission of one or more downlink resources and / or reception of one or more uplink resources. Furthermore, the apparatus may be configured to determine, e.g., the one or more transmit spatial filters and / or the one or more receive spatial filters and / or the one or more beam directions in response to the indication.

[0013] In an embodiment, the device may be, for example, user equipment.

[0014] According to other embodiments, the device may be, for example, a base station.

[0015] In an embodiment, the further network entity may implement, for example, location management functionality.

[0016] Moreover, a user equipment for receiving and / or transmitting data in a wireless communication system according to an embodiment is provided. The user equipment is configured to receive a message from a base station or from a further network entity of the wireless communication system, the message including one or more configurations for reception of one or more downlink transmissions over one or more downlink resources associated with one or more serving base stations or neighboring base stations. Moreover, the user equipment is configured to determine one or more receive spatial filters or one or more beam directions for the one or more downlink resources in response to the message. Furthermore, the user equipment is configured to apply the one or more receive spatial filters or one or more beam directions to the one or more downlink resources for receiving the one or more downlink transmissions over the one or more downlink resources.

[0017] Moreover, a network entity of a wireless communication system for providing transmit spatial filter information or receive spatial filter information according to an embodiment is provided. The network entity is configured to receive information from a first base station including a measurement result of a downlink transmission by a downlink resource transmitted from a second base station and / or receive a measurement report from a measurement device including the measurement result. Furthermore, the network entity is configured to determine direction information in response to the information and / or in response to the measurement report. Moreover, the network entity is configured to map the direction information for one or more uplink resources and / or one or more downlink resources. Furthermore, the network entity is configured to provide a message to the second base station including an indication of one or more spatial filters or one or more beam directions for one or more downlink transmissions by the one or more downlink resources and / or for one or more uplink receptions by the one or more uplink resources. and / or the network entity is configured to provide a message to a user equipment of the wireless communication system, the message including one or more configurations indicating transmit spatial filter information for one or more uplink resources, and the message including information on one or more spatial filters or one or more beam directions for receiving one or more downlink transmissions over the one or more downlink resources.

[0018] Further, a network entity for providing transmit spatial filter information or receive spatial filter information of a wireless communication system according to an embodiment is provided. The network entity is configured to receive information from a first base station including a measurement result of a downlink transmission over a downlink resource transmitted from a second base station and / or receive a measurement report from a measurement device including the measurement result. Moreover, the network entity is configured to determine direction information in response to the information and / or in response to the measurement report. Furthermore, the network entity is configured to map the direction information for one or more uplink resources and / or one or more downlink resources. Moreover, the network entity is configured to provide a message to the second base station including an indication of one or more spatial filters or one or more beam directions for one or more downlink transmissions over one or more downlink resources and / or for one or more uplink receptions over one or more uplink resources, and / or the network entity is configured to provide a message to a user equipment of the wireless communication system, the message including one or more configurations indicating transmit spatial filter information for the one or more uplink resources, and the message including information on the one or more spatial filters or one or more beam directions for receiving one or more downlink transmissions over the one or more downlink resources.

[0019] According to an embodiment, the network entity may implement, for example, location management functionality.

[0020] Moreover, there is provided a wireless communication system according to an embodiment, comprising for transmitting and receiving data as described above, and further comprising the network entities described above or further network entities.

[0021] In an embodiment, the wireless communication system may include user equipment, such as those described above.

[0022] Further, a method for transmitting and receiving data in a wireless communication system according to an embodiment is provided. The method includes receiving a first message and / or a second message. Moreover, the method includes: determining one or more transmit spatial filters and / or one or more receive spatial filters and / or one or more beam directions, the one or more transmit spatial filters and / or the one or more receive spatial filters being identical to or derived by the device from at least one initial spatial filter, and the one or more beam directions being identical to or derived by the device from at least one initial beam direction; and applying one or more transmit spatial filters and / or one or more receive spatial filters and / or one or more beam directions to one or more downlink resources and / or one or more uplink resources.

[0023] Moreover, a method for receiving and / or transmitting data in a wireless communication system according to an embodiment is provided, the method comprising: receiving, by the user equipment, a message from a base station or from a further network entity of the wireless communication system, the message including one or more configurations for reception of one or more downlink transmissions by one or more downlink resources associated with one or more serving or neighboring base stations; determining, by the user equipment, in response to the message, one or more receive spatial filters or one or more beam directions for the one or more downlink resources; and applying, by the user equipment, one or more receive spatial filters or one or more beam directions to the one or more downlink resources for receiving one or more downlink transmissions over the one or more downlink resources.

[0024] Moreover, a method for providing transmit or receive spatial filter information is provided according to an embodiment, the method comprising: receiving information from a first base station comprising measurement results of uplink transmissions over uplink resources transmitted from one or more user equipments and / or receiving a measurement report from a second base station comprising the measurement results; determining direction information in response to the information and / or in response to the measurement reports; mapping direction information for one or more uplink resources and / or one or more downlink resources; providing a message to the second base station including an indication of one or more spatial filters or one or more beam directions for one or more downlink transmissions over one or more downlink resources and / or one or more uplink receptions over one or more uplink resources; and / or The method includes providing a message to a user equipment of a wireless communication system, the message including one or more configurations indicating transmit spatial filter information for one or more uplink resources, the message including information about one or more spatial filters or one or more beam directions for receiving one or more downlink transmissions over the one or more downlink resources.

[0025] Further, a method for providing transmit or receive spatial filter information is provided in accordance with an embodiment, the method comprising: receiving, by the network entity, information from the first base station comprising a measurement result of a downlink transmission on a downlink resource transmitted from the second base station and / or receiving, from the measuring device, a measurement report comprising the measurement result; determining, by the network entity, direction information in response to the information and / or in response to the measurement reports; mapping, by a network entity, direction information for one or more uplink resources and / or one or more downlink resources; providing, by the network entity, a message to the second base station including an indication of one or more spatial filters or one or more beam directions for one or more downlink transmissions over one or more downlink resources and / or for one or more uplink receptions over one or more uplink resources; and / or The method includes providing, by a network entity, a message to a user equipment of the wireless communication system, the message including one or more configurations indicating transmit spatial filter information for one or more uplink resources, the message including information about one or more spatial filters or one or more beam directions for receiving one or more downlink transmissions over the one or more downlink resources.

[0026] Moreover, non-transitory computer program products according to embodiments are provided, each including a computer readable medium having instructions stored thereon that, when executed on a computer, perform one of the methods described above.

[0027] Further particular embodiments are given in the dependent claims. [Brief description of the drawings]

[0028] [Figure 1a]FIG. 1 illustrates a schematic representation of an example terrestrial wireless network. [Figure 1b] FIG. 1 illustrates a schematic representation of an example terrestrial wireless network. [Diagram 2] FIG. 2 illustrates a number of communication resources. [Diagram 3] FIG. 1 illustrates an example of a positioning wireless network architecture. [Figure 4] A diagram showing the SRS-Position resource release 16 structure. [Diagram 5] A diagram showing communication between a BS and an LMF. [Figure 6] FIG. 13 illustrates an example of a UL triggered beam assistance procedure coordinated by the LMF. [Figure 7] 13 is a flowchart of a method for enabling BS-specific beam direction configuration for DL-RS. [Figure 8] FIG. 1 illustrates an example of a computer system in which the units or modules and method steps described according to the present technique may be performed. [Figure 9] FIG. 2 illustrates an apparatus for transmitting and receiving data in a wireless communication system according to an embodiment. [Figure 10] FIG. 2 illustrates a user equipment for receiving and / or transmitting data in a wireless communication system according to an embodiment. [Figure 11] FIG. 2 illustrates a network entity of a wireless communication system for providing transmit or receive spatial filter information according to an embodiment. [Figure 12] FIG. 13 illustrates a network entity of a wireless communication system for providing transmit or receive spatial filter information according to another embodiment. [Figure 13] FIG. 1 illustrates a wireless communication system according to an embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0029] Embodiments of the present invention will now be described in more detail with reference to the accompanying drawings, in which like or similar elements are assigned the same reference numerals, and in which:

[0030] In DL-PRS (Downlink Positioning Reference Signal), it may be necessary for a TRP (Transmitting / Receiving Point) to configure multiple PRS (Positioning Reference Signal) resources to provide coverage within an area, which becomes important when beam steering information is used to enable SP-PRS (Semi-Persistent Positioning Reference Signal) or A-PRS (Aperiodic Positioning Reference Signal) procedures.

[0031] For non-periodic and / or semi-persistent (AP,SP) PRS, multi-TRP (M-TRP) cannot be enabled based on Rel-16 procedures, and for UL-SRS (uplink sounding reference signal), the TRP may miss some SRS (sounding reference signal) transmissions since the measurement start time is not known in non-serving cells.

[0032] The TRP does not have the information or measurement reports to select the direction for transmitting or receiving the reference signal.

[0033] In DL (downlink), without such kind of information, the TRP cannot perform on-demand or UE-specific PRS (i.e., no pre-configured multi-TRP beam configuration).

[0034] In the UL (uplink), additional complications for the TRP are introduced when the TRP does not have a directional indication for the UL reference signal direction (especially in FR2, Frequency range 2).

[0035] The LMF (Location Management Function) provides information to the TRP about the direction from which the TRP is expected to receive UL-SRS or transmit DL-PRS. Attention is on the signaling and procedures, including the type of information provided. The information provided reduces the complexity and latency of the TRP, especially in that it does not directly communicate with the target UE whose location is to be determined (i.e. there is no UE RSRP report available, RSRP = Reference Signal Received Power).

[0036] FIG. 2 shows that in the downlink, the TRP receives information about directions for one or more DL-PRS resources, and in the uplink, the TRP is indicated on an Rx beam for receiving one or more UL-SRS signals from the UE.

[0037] 3 shows an example of a wireless positioning communication system, more specifically, a positioning wireless network architecture. The wireless communication system shown in the figure can be any single-tone or multi-carrier system using frequency division multiplexing, such as orthogonal frequency division multiplexing (OFDM), or orthogonal frequency division multiple access (OFDMA), or any other IFFT-based signal with or without CP, e.g., DFT-s-OFDM. Other waveforms, such as non-orthogonal waveforms for multiple access, e.g., filter bank multi-carrier (FBMC), generalized frequency division multiplexing (GFDM), or universal filter multi-carrier (UFMC), can be used. The wireless communication system can operate, for example, according to the LTE-Advanced pro standard, or the 5G or NR (New Radio) standard, or the NR-U (New Radio Unlicensed) standard.

[0038] The wireless network or communication system shown in the figure may be a heterogeneous network with separate superimposed networks, for example a network of macro cells with each macro cell including a macro base station such as base stations BS1 to BS4, a network of small cell base stations not shown in the figure such as femto or pico base stations. In addition to the terrestrial wireless networks described above, there are also non-terrestrial wireless communication networks (NTNs) including transceivers orbiting the Earth such as satellites and / or airborne transceivers such as unmanned aerial systems. The non-terrestrial wireless communication networks or systems may operate in a similar manner to the terrestrial systems as described above with respect to the figures, for example according to the LTE-Advanced Pro standard or the 5G or NR (new radio) standard.

[0039] A base station can wirelessly communicate and exchange messages with one or more UEs (104, 108, 109) and / or one or more reference devices (104). A base station can directly communicate and exchange information with other base stations (106, 110), which may be of the same or different technology generations or even different technologies. Target UEs and / or reference devices may wirelessly signal for positioning or synchronization purposes (112 to 116). A BS may include distributed units that are in turn connected to the respective central unit or BS via an F1 interface (106) or via a non-standard interface. The two central BSs may also be connected via an XN / X2 interface or via a non-standard interface.

[0040] In a mobile communication network, e.g., in a network such as the one described above with reference to the figures such as an LTE or 5G / NR network, there may be UEs that communicate directly with each other over one or more sidelink (SL) channels, e.g., using a PC5 / PC3 interface or WiFi direct (107). UEs that communicate directly with each other over sidelink may include vehicles that communicate directly with other vehicles (V2V (vehicle to vehicle) communication), other entities of the wireless communication network, e.g., roadside units (RSUs), or vehicles that communicate with roadside entities such as traffic signals, traffic signs, or pedestrians (V2X (Vehicle to Everything) communication). RSUs may have the functionality of a BS or a UE, depending on the specific network configuration. The other UEs may not be UEs associated with vehicles and may include any of the devices mentioned above. Such devices may also communicate directly with each other (D2D communication) using SL channels.

[0041] Network entities that may be involved in calculating the location of the UE and interfaces between the UE (101, 103) and other network RAN ​​entities or the like (102, 105). The network entities may be part of a core network including a Location Management Function (LMF) and an Access and Mobility Management Function (AMF), which communicate using a network layer signaling protocol (NL). The network entities include location servers that communicate with other entities and devices of the network over a control or user plane interface.

[0042] In wireless communications networks such as the one shown in the figure, it may be desired to locate a UE with a certain accuracy, e.g., determine the location of the UE in a cell. Several positioning techniques are known, such as satellite-based positioning techniques, e.g., autonomous Assisted Global Navigation Satellite Systems (A-GNSS) such as GPS, mobile radio cellular positioning techniques, e.g., Observed Time Difference of Arrival (OTDOA), and Enhanced Cell ID (E-CID), or a combination of these.

[0043] Please note that the information in the above section is merely intended to enhance understanding of the background of the present invention and may contain information that does not form part of prior art already known to those skilled in the art.

[0044] FIG. 9 illustrates an apparatus 210 for transmitting and receiving data in a wireless communication system, according to an embodiment.

[0045] The apparatus 210 is configured to receive the first message and / or the second message from the further network entity.

[0046] Moreover, the device 210 is configured to determine one or more transmit spatial filters and / or one or more receive spatial filters and / or one or more beam directions, where the one or more transmit spatial filters and / or the one or more receive spatial filters are identical to or derived by the device 210 from the at least one initial spatial filter. The one or more beam directions are identical to or derived by the device 210 from the at least one initial beam direction.

[0047] Further, the apparatus 210 is configured to apply one or more transmit spatial filters and / or one or more receive spatial filters and / or one or more beam directions to one or more downlink resources and / or one or more uplink resources.

[0048] According to other embodiments, the device 210 may be, for example, a base station.

[0049] According to an embodiment, for example, support for beam indication of uplink measurements may be provided.

[0050] In an embodiment, the device may be, for example, a base station (gNB) and may provide, for example, a gNB indication to an uplink SRS for uplink positioning assistance data.

[0051] In an embodiment, the device 210 may be, for example, a user equipment (UE), or in an embodiment, the device 210 may implement, for example, a location management function (LMF).

[0052] For example, according to an embodiment, an indication for, e.g., DL-PRS for on-demand PRS assistance data may be provided, e.g., the indication may be transmitted, e.g., from the LMF to the gNB, or, e.g., from the UE to the LMF, which may, e.g., forward the indication to the gNB.

[0053] For example, according to an embodiment, downlink PRS parameters (eg, DLPRS QCL information) may be utilized for on-demand downlink PRS requests, for example, UE initiated and LMF initiated (QCL: Quasi-Collocation).

[0054] In an embodiment, the apparatus 210 may be, for example, a user equipment (UE), which may receive, for example, an indication for an uplink SRS for downlink positioning assistance data.

[0055] According to an embodiment, the device 210 (e.g., a UE) may receive direction information (e.g., for AoD) from the LMF, for example, derived based on a coarse location estimate for DL ​​AoD assistance. This may help reduce a search space, for example, at the device 210 (e.g., at the UE).

[0056] For example, in DL-AoD for two UEs (e.g., UE-A and UE-B), the expected With respect to supporting AOD measurements with uncertainty intervals, an indication of the expected angle values ​​and the uncertainty range (of the expected azimuth angle values ​​and zenith angle values) may be signaled, for example, by the LMF to the device 210 (e.g., UE) and / or the expected angle and type of uncertainty may be requested, for example, by the device 210 (e.g., UE).

[0057] For example, an indication of the expected DL-AoD / ZoD value and the uncertainty range (of the expected DL-AoD / ZoD value) may be signaled to the apparatus 210 (eg, UE), for example, by the LMF.

[0058] And / or, for example, an indication of the expected DL-AoA / ZoA value and the uncertainty range (of the expected DL-AoA / ZoA value) may be signaled to the apparatus 210 (e.g., UE) by, for example, the LMF.

[0059] According to an embodiment, the apparatus 210 may be configured to receive a first message, for example indicating a measurement request or indicating an information request or indicating a positioning activation request, from a further network entity of the wireless network. The apparatus 210 may be configured to receive a second message, for example including an indication of at least one initial spatial filter or at least one initial beam direction for the transmission of one or more downlink resources and / or for the reception of one or more uplink resources, from the further network entity. Moreover, the apparatus 210 may be configured to determine, for example, one or more transmit spatial filters and / or one or more receive spatial filters and / or one or more beam directions depending on the indication.

[0060] In an embodiment, the indication may include, for example, one or more identifiers of one or more uplink resources and / or one or more uplink resource sets including the one or more uplink resources, where the one or more identifiers indicate at least one initial spatial filter or at least one initial beam direction for transmission of the one or more downlink resources, and / or the indication may include, for example, one or more identifiers of one or more downlink resources and / or one or more downlink resource sets including the one or more downlink resources, where the one or more identifiers indicate at least one initial spatial filter or at least one initial beam direction for reception of the one or more uplink resources.

[0061] According to an embodiment, the indication may include one or more further identifiers of one or more uplink resources and / or one or more uplink resource sets, e.g., to indicate at least one further spatial filter or at least one further beam direction for reception of one or more other uplink resources, and / or the indication may include one or more further identifiers of one or more downlink resources and / or one or more downlink resource sets, e.g., to indicate at least one further spatial filter or at least one further beam direction for transmission of one or more other downlink resources.

[0062] In an embodiment, the indication may include, for example, one or more identifiers of the one or more uplink resources, each of which may be associated, for example, with a single uplink resource of the one or more uplink resources or with a single uplink resource set of the one or more uplink resource sets.

[0063] According to an embodiment, the indication may, for example, include one or more identifiers of the one or more downlink resources, each of which may, for example, be associated with a single downlink resource of the one or more downlink resources or a single downlink resource set of the one or more downlink resource sets.

[0064] In an embodiment, the one or more identifiers may be associated with, for example, one or more uplink resources. The apparatus 210 may be configured to determine, for each uplink resource of the one or more uplink resources or each uplink resource set of the one or more uplink resource sets, one or more transmit spatial filters or one or more beam directions for the one or more downlink resources, for example, depending on a spatial filter setting or a beam direction setting.

[0065] According to an embodiment, the apparatus 210 may be configured to receive a (measurement) request message from a further network entity, for example to perform one or more uplink resource measurements of one or more uplink resources. The (measurement) request message may include, for example, an indication for at least one initial spatial filter or at least one initial beam direction for one or more uplink resource measurements and / or an indication of a type of measurement. The apparatus 210 may be configured to, for example, perform the uplink resource measurements in response to the indication.

[0066] For example, additional assistance signaling from the LMF to the gNB / TRP may be supported, e.g., to facilitate UL measurements of UL-AOA, and the additional assistance signaling may be, e.g., an indication of the expected AoA / ZoA value and the uncertainty range (of the expected AoA / ZoA value) (AoA=azimuth angle of arrival, ZoA=zenith angle of arrival).

[0067] In an embodiment, the (measurement) request message may be, for example, the first message, or may be, for example, the second message, or may be, for example, another third message.

[0068] In an embodiment, the apparatus 210 may be configured to provide information about, for example, one or more transmit spatial filters, or about one or more receive spatial filters, or about one or more beam directions to a further network entity.

[0069] According to an embodiment, the apparatus 210 may be configured to provide information about one or more transmit spatial filters, or about one or more receive spatial filters, or about one or more beam directions to a further network entity, for example in response to a first message indicating a measurement request.

[0070] In an embodiment, the apparatus 210 may be configured to receive a first message indicating a measurement request, e.g., requesting the apparatus 210 to provide time information for reception of one or more uplink resources via one or more measurement instances in one or more measurement reports. The apparatus 210 may be configured to provide, e.g., the time information for the one or more uplink resources for one or more measurement instances associated with one or more measurement reports.

[0071] According to an embodiment, the device 210 may be configured to provide information about, for example, a positioning reference signal configuration to a further network entity, said information indicating a direction of said positioning reference signal.

[0072] In an embodiment, the apparatus 210 may be configured to receive a message from a further network entity, for example including a request for information on one or more downlink resource configurations. The apparatus 210 may be configured to provide information on one or more downlink resource configurations to the further network entity, for example including one or more identifiers for one or more downlink resources belonging to one or more resource set identifiers corresponding to the identifier of the apparatus 210 in a given frequency layer.

[0073] According to an embodiment, the apparatus 210 may be configured to receive a request from a further network entity to, for example, modify a direction of one or more transmit spatial filters associated with one or more downlink resources.

[0074] In an embodiment, the apparatus 210 may be configured to receive a request from a further network entity to, for example, modify an orientation of one or more receive spatial filters corresponding to one or more uplink resources.

[0075] According to an embodiment, the first message from the further network entity may, for example, include a positioning enablement for an uplink sounding reference signal transmission.

[0076] In an embodiment, the first message from the further network entity may include, for example, an enablement or triggering of a downlink resource transmission. The apparatus 210 may be configured to provide, for example, an enablement response or an enablement failure for the first message with the enablement or trigger to the further network entity. Moreover, the apparatus 210 may be configured to receive, for example, after the enablement response, a second message including a configuration including an indication of at least one initial spatial filter or of one or more beam directions for the transmission of at least one downlink resource and / or one or more identifiers of the one or more downlink resources that have been enabled or triggered.

[0077] For example, for an LMF initiated request for an on-demand DL PRS, a group of on-demand DL PRS parameters may be defined and signaled, for example, per resource set per positioning frequency layer per FR.

[0078] For example, a parameter for a UE initiated and LMF initiated on-demand DL PRS request, such as an ON / OFF indicator (for LMF initiated requests only), may be supported, for example.

[0079] According to an embodiment, the second message may include, for example, direction angle information or a geographic area indication indicating a beam direction for at least one of the one or more beam directions.

[0080] In an embodiment, the second message may include an indication including, for example, spatial filter information, which may include, for example, a downlink resource indication and / or one or more identifiers of one or more downlink resources or of one or more downlink resource sets corresponding to the one or more downlink resources transmitted by apparatus 210. And / or the spatial filter information may include, for example, an uplink resource indication and / or one or more identifiers of one or more uplink resources or of one or more uplink resource sets corresponding to the one or more uplink resources received by apparatus 210.

[0081] According to an embodiment, the second message may include, for example, an indication or information for the transmission of one or more downlink resources, and the indication or information may include, for example, an identifier of one or more reference downlink resources. The device 210 may be configured to use the information or indication, for example, to determine one or more transmit spatial filters for downlink resources having similar directional characteristics as the reference downlink resources.

[0082] In an embodiment, the second message may include, for example, an indication or information for the transmission of one or more downlink resources, which may include, for example, an identifier for one or more reference uplink resources. The apparatus 210 may be configured to use the information or indication to determine one or more transmit spatial filters for the downlink resources that have similar directional characteristics as one or more receive spatial filters used for reception of the one or more reference uplink resources.

[0083] According to an embodiment, the second message may include, for example, an indication or information for reception of one or more uplink resources, which may include, for example, an identifier for one or more reference uplink resources. The apparatus 210 may be configured to use the information or indication to, for example, select one or more receive spatial filters for reception of the uplink resources that have similar directional characteristics as the spatial filters used for reception of the one or more reference uplink resources.

[0084] In an embodiment, the second message may include, for example, an indication or information for reception of one or more uplink resources, which may include, for example, an identifier for one or more reference downlink resources. The apparatus 210 may be configured to use the information or indication to, for example, select one or more receive spatial filters for reception of the uplink resources that have similar directional characteristics as the spatial filters used for transmission of the one or more reference downlink resources.

[0085] According to an embodiment, the second message may for example include the following information: Azimuth, elevation angle, Azimuth uncertainty, Elevation Angle Uncertainty The information may include orientation angle information indicating one or more of the following in a global or local coordinate system:

[0086] The expected UL AoA / ZoA uncertainty range is, for example, if the expected azimuth of arrival is within, for example, the range [φAOA-ΔφAOA / 2,φAOA+ΔφAOA / 2] It can be defined as:

[0087] φAOA may indicate, for example, the expected azimuth angle of arrival.

[0088] ΔφAOA may, for example, indicate the uncertainty range of the expected azimuth angle of arrival.

[0089] The expected arrival zenith angle is, for example, in the range [θAOA-ΔθAOA / 2, θAOA+ΔθAOA / 2] It is possible.

[0090] θAOA may indicate, for example, the expected zenith angle of arrival.

[0091] ΔθAOA may, for example, indicate the uncertainty range of the expected arrival zenith angle.

[0092] For example, a granularity of 0.1 degrees may be applied for, for example, expected AoA (φAOA), expected ZoA (θZOA), and corresponding uncertainty values.

[0093] In an embodiment, the second message may include the following information, for example in a map projection area in a global or local coordinate system, or in a relative geodetic position: X, Y, Z unit values, X value, Y value, Z-score, Uncertainty or reliability of the area; Type of uncertainty or confidence in the area or one or more of the following location information: One or more latitudes, One or more longitudes, altitude, Differential latitude, Differential longitude, differential altitude, Uncertainty or Reliability The information may include information indicative of one or more of the following:

[0094] For example, both GCS (Global Coordinate System) and LCS (Local Coordinate System) may be supported for indication of, for example, UL AoA / ZoA assistance information.

[0095] For example, existing signaling may be used to obtain, for example, LCS to GCS conversion information.

[0096] According to an embodiment, the first message may include an information request, for example requesting information about one or more uplink resource configurations configured by the apparatus 210. The apparatus 210 may be configured to provide information about one or more uplink resources and / or about one or more uplink resource sets that include the one or more uplink resources, for example.

[0097] In an embodiment, the second message may include, for example, an indication or information of one or more identifiers of one or more uplink resources or one or more identifiers of one or more downlink resources. The apparatus 210 may be configured to, for example, derive one or more transmit spatial filters or one or more receive spatial filters or one or more beam directions to be used for transmission of one or more downlink resources from one or more receive spatial filters or one or more beam directions used for reception of one or more uplink resources or one or more uplink resource sets.

[0098] According to an embodiment, the apparatus 210 may be configured to provide an indication to a user equipment, for example, of one or more transmit spatial filters, or of one or more receive spatial filters, or of one or more beam directions.

[0099] In an embodiment, the apparatus 210 may be configured to provide an indication, for example, of one or more transmit spatial filters, or of one or more receive spatial filters, or of one or more beam directions, via a physical layer or a higher layer.

[0100] According to an embodiment, the apparatus 210 may be configured to provide an indication, for example, of one or more transmit spatial filters, or of one or more receive spatial filters, or of one or more beam directions using a transmit configuration indicator status reference.

[0101] In an embodiment, the apparatus 210 may be configured to provide the indication, for example, by providing NR positioning protocol A indication downlink resource information.

[0102] According to an embodiment, the apparatus 210 may be configured to receive a further information message, e.g., before or after the second message, which further information message indicates whether one or more uplink resources or one or more uplink resource sets and / or one or more downlink resources or one or more downlink resource sets originate from and / or are targeted to the reference device.

[0103] In an embodiment, the further information message may, for example, include the following parameters: one or more identifiers of one or more uplink resources and / or one or more uplink resource sets associated with the reference device; one or more identifiers of one or more downlink resources and / or one or more downlink resource sets associated with the reference device; An indication of the reference device type, Location information of the reference device, Reference device orientation information may include one or more of:

[0104] According to an embodiment, the apparatus 210 may be configured to use the further information message, for example, to estimate line-of-sight or non-line-of-sight channel conditions between the apparatus 210 and a reference device.

[0105] In an embodiment, the apparatus 210 may be configured to provide a measurement report including an indication of line-of-sight or non-line-of-sight channel conditions for one or more uplink resources originating from the reference device, e.g., in response to a measurement request, or may be configured to use information of the reference device to derive line-of-sight or non-line-of-sight indications for measurements for one or more UL-RS originating from a user equipment, e.g.

[0106] According to an embodiment, in response to the second message, the apparatus 210 may be configured to provide an indication to a further network entity, for example, about applying one or more transmit spatial filters and / or one or more receive spatial filters and / or one or more beam directions.

[0107] In an embodiment, the indication about applying one or more transmit spatial filters and / or one or more receive spatial filters and / or one or more beam directions may include, for example, one or more identifiers of one or more uplink resources and / or one or more downlink resources, or an indication of success in applying the configuration, or information about the applied beam direction in the apparatus 210 for transmission and / or reception.

[0108] According to an embodiment, device 210 may be configured to provide to the network, for example, an updated selection of one or more transmit spatial filters and / or one or more receive spatial filters, or an indication of one or more beam directions selected by device 210.

[0109] In an embodiment, the second message may include validity information for one or more identifiers of one or more uplink resources and / or for one or more uplink resource sets, and / or information for one or more identifiers of one or more downlink resources and / or one or more downlink resource sets, e.g., to indicate at least one initial spatial filter or at least one initial beam direction for reception of the one or more uplink resources.

[0110] According to an embodiment, the validity information may include, for example, an indication as to the time for which the configuration is valid and / or information regarding one or more time periods during which the configuration is applicable.

[0111] In an embodiment, the validity information may, for example, include an indication as to one or more time slots during which the configuration is applicable, and at least one of the one or more time slots may, for example, include an indication as to one or more occasions during which the configuration should be applied to aperiodic or semi-persistent or periodic uplink resource reception and / or to downlink resource transmission.

[0112] According to an embodiment, the apparatus 210 may be configured to provide information about one or more downlink resources to the further network entity, for example. The apparatus 210 may be configured to receive configuration information for one or more downlink resources, for example. Moreover, the apparatus 210 may be configured to respond to the further network entity, for example by confirming the success of the operation if the operation is successful or by signaling a failure message if the operation is not successful.

[0113] In an embodiment, the apparatus 210 may be configured to, for example, provide information about one or more sets of configurable downlink resources. The apparatus 210 may be configured to, for example, receive configuration information for one or more downlink resources of the set of one or more configurable downlink resources. Moreover, the apparatus 210 may be configured to respond to a further network entity, for example, by confirming success of the operation if the operation is successful or by signaling a failure message if the operation is not successful.

[0114] According to an embodiment, the apparatus 210 may be configured to, for example, receive a positioning reference signal utilization characteristic from a further network entity. The apparatus 210 may be configured to, for example, provide information about a configuration of one or more downlink resources, configured according to the positioning reference signal utilization characteristic, to the further network entity.

[0115] In an embodiment, the apparatus 210 may be configured to receive a configuration message indicating, for example, a direction of one or more downlink resources at the apparatus 210, and the configuration message may include at least one indication corresponding to an identifier of a downlink resource provided by the apparatus 210 to a further network entity in a previous message.

[0116] According to an embodiment, the device 210 may be configured to receive a request to reconfigure one or more downlink resources, for example in response to a previously received configuration message or in response to a simultaneous configuration and configuration request. Moreover, the device 210 may be configured to respond to a further network entity, for example by confirming the configuration request if the operation is successful or by signaling a failure message if the operation is not successful.

[0117] In an embodiment, the apparatus 210 may be configured to receive a request to activate one or more downlink resources, e.g., in response to a previously received configuration message or in response to a simultaneous configuration and configuration request, and the apparatus 210 may be configured to respond to the further network entity, e.g., by confirming the configuration request if the operation is successful or by signaling a failure message if the operation is not successful.

[0118] According to an embodiment, the apparatus 210 may be configured to receive a request from a further network entity, for example providing therein information about one or more downlink resources configured in the apparatus 210 .

[0119] In an embodiment, the apparatus 210 may be configured to, for example, receive a configuration from a further network entity, and may be configured to, for example, apply the spatial information and / or the beam direction information in accordance with a configuration for one or more downlink resources associated with characteristics indicated in the configuration from the further network entity.

[0120] In an embodiment, the further network entity may implement, for example, a location management function.

[0121] FIG. 10 illustrates a user equipment 220 for receiving and / or transmitting data in a wireless communication system, according to an embodiment.

[0122] The user equipment 220 is configured to receive a message from the base station or from a further network entity of the wireless communications system, the message including one or more configurations for reception of one or more downlink transmissions over one or more downlink resources associated with one or more serving or neighboring base stations.

[0123] Moreover, the user equipment 220 is configured to determine one or more receive spatial filters or one or more beam directions for one or more downlink resources in response to the message.

[0124] Further, the user equipment 220 is configured to apply one or more receive spatial filters or one or more beam directions to the one or more downlink resources for receiving one or more downlink transmissions over the one or more downlink resources.

[0125] In an embodiment, the UE may receive an indication for an uplink SRS, for example, for downlink positioning assistance data.

[0126] According to an embodiment, the UE may receive direction information (e.g., for AoD) from the LMF, for example, derived based on a coarse location estimate for DL ​​AoD assistance, which may help, for example, to reduce a search space at the UE.

[0127] For example, in DL-AoD of two UEs (e.g., UE-A and UE-B), with respect to support of AOD measurements with expected uncertainty intervals, an indication of the expected angle values ​​and uncertainty ranges (of expected azimuth angle values ​​and zenith angle values) may be signaled, e.g., by the LMF to the UE, and / or the expected angles and type of uncertainty may be requested, e.g., by the UE.

[0128] For example, an indication of the expected DL-AoD / ZoD value and the uncertainty range (of the expected DL-AoD / ZoD value) may be signaled to the UE, for example by the LMF.

[0129] And / or, for example, an indication of the expected DL-AoA / ZoA value and an uncertainty range (of the expected DL-AoA / ZoA value) may be signaled to the UE, for example, by the LMF.

[0130] According to an embodiment, the user equipment 220 may be configured to receive an indication from a network entity, the indication including, for example, transmit spatial filter information for one or more uplink resources, and the user equipment 220 may be configured to use, for example, said transmit spatial filter information for one or more uplink resources to determine one or more receive spatial filters or one or more beam directions for one or more downlink resources.

[0131] In an embodiment, the user equipment 220 may be configured to receive, for example, from a base station or a further network entity, information for performing measurements on one or more downlink resources. Moreover, the user equipment 220 may be configured to perform measurements on one or more downlink resources, for example, in response to the information for performing measurements.

[0132] For example, for a UE-assisted DL-AOD positioning concept, in order to improve signaling to the UE for the purpose of PRS resource reporting, the LMF may indicate, for example, boresight direction information for each PRS resource in the assistance data (AD), for example depending on the UE capabilities.

[0133] According to an embodiment, the user equipment 220 may be configured to receive a configuration for sidelink resource transmission by the sidelink resources, for example from a base station or a further network entity, and the user equipment 220 may be configured to apply the configuration to the sidelink resources, for example.

[0134] In an embodiment, the user equipment 220 may be configured to receive, for example from a base station or a further network entity, information for performing measurements on sidelink resources. The user equipment 220 may be configured to perform measurements on sidelink resources, for example in response to the information for performing measurements.

[0135] According to an embodiment, the user equipment 220 may be configured to receive a message from a base station or a further network entity, for example including one or more configurations for reception of one or more downlink transmissions over one or more downlink resources from one or more serving or neighboring base stations.

[0136] In an embodiment, the user equipment 220 may be configured to receive, for example, from a base station or a further network entity, an indication including transmit spatial filter information for one or more sidelinks. Moreover, the user equipment 220 may be configured to use, for example, the indication to determine one or more receive spatial filters or one or more beam directions for receiving one or more downlink transmissions over one or more downlink resources.

[0137] According to an embodiment, the user equipment 220 may be configured to receive information about measurements of one or more downlink resources, for example, performed by a reference device, and / or the user equipment 220 may be configured to receive information about measurements of one or more uplink resources, for example, performed by a base station measuring uplink transmissions by the reference device.

[0138] In an embodiment, user equipment 220 may be configured to receive a request to perform a positioning method, for example, in response to an uplink transmission, and user equipment 220 may be configured to perform the positioning method, for example, in response to the request to perform the positioning method, for example, in response to the uplink transmission, and / or user equipment 220 may be configured to receive a request to perform a positioning method, for example, in response to a downlink transmission, and user equipment 220 may be configured to perform the positioning method, for example, in response to the request to perform the positioning method, for example, in response to the downlink transmission.

[0139] According to an embodiment, the user equipment 220 may be configured to provide to a further network entity an indication, for example, as to whether one or more measurement results for one or more identifiers of one or more downlink resources, or of one or more downlink resource sets including the one or more downlink resources, are spatially associated with one or more identifiers of one or more uplink resources.

[0140] In an embodiment, the user equipment 220 may be configured to provide to a further network entity, for example, an indication as to whether one or more measurement results for one or more identifiers of one or more downlink resources, or of one or more downlink resource sets that include the one or more downlink resources, are spatially associated with one or more identifiers of one or more uplink resources at a given time.

[0141] According to an embodiment, the user equipment 220 may be configured to receive, from a further network entity, an indication as to whether one or more identifiers of one or more downlink resources, or of one or more downlink resource sets including one or more downlink resources, are spatially associated with one or more identifiers of one or more uplink resources.

[0142] In an embodiment, the user equipment 220 may be configured to provide, to a further network entity, an indication, for example, of whether one or more receive-transmit measurements for one or more identifiers of one or more downlink resources or one or more downlink resource sets including one or more downlink resources, are spatially associated with one or more identifiers of one or more uplink resources.

[0143] According to an embodiment, the user equipment 220 may be configured to receive, from a further network entity, an indication as to whether one or more receive-transmit measurements for one or more identifiers of one or more downlink resources or one or more downlink resource sets including one or more downlink resources are spatially associated with one or more identifiers of one or more uplink resources, for example.

[0144] In an embodiment, the user equipment 220 may be configured, for example, to perform one or more measurements on one or more downlink resources and to use one or more obtained measurement results to request or recommend to a base station or a further network entity to configure new downlink resources or to modify existing downlink resources with a defined spatial filter configuration or a defined beam direction (such an embodiment may be initiated, for example, by a user).

[0145] According to an embodiment, the user equipment 220 may be configured to provide, for example, a defined spatial filter configuration or a defined beam direction to a base station or a further network entity.

[0146] In an embodiment, the further network entity implements a location management function.

[0147] According to an embodiment, the user equipment 220 may be configured to receive an indication from a base station, for example, for one or more transmit spatial filters, or for one or more receive spatial filters, or for one or more beam directions.

[0148] In an embodiment, the user equipment 220 may be configured to receive, for example, an indication of one or more transmit spatial filters, or of one or more receive spatial filters, or of one or more beam directions via the physical layer or a higher layer.

[0149] According to an embodiment, the user equipment 220 may be configured to receive an indication, for example, for one or more transmit spatial filters, or for one or more receive spatial filters, or for one or more beam directions via a transmit configuration indicator status reference.

[0150] FIG. 11 illustrates a network entity 230 of a wireless communication system for providing transmit or receive spatial filter information, according to an embodiment.

[0151] The network entity 230 is configured to receive information from a first base station including measurement results of uplink transmissions over uplink resources transmitted from one or more user equipments, and / or receive measurement reports from a second base station including the measurement results.

[0152] Moreover, the network entity 230 is configured to determine the direction information depending on the information and / or depending on the measurement reports.

[0153] Additionally, the network entity 230 is configured to map direction information for one or more uplink resources and / or one or more downlink resources.

[0154] Moreover, the network entity 230 is configured to provide a message to the second base station including an indication of one or more spatial filters or one or more beam directions for one or more downlink transmissions over one or more downlink resources and / or one or more uplink receptions over one or more uplink resources, and / or the network entity 230 is configured to provide a message to a user equipment of the wireless communication system, the message including one or more configurations indicating transmit spatial filter information for the one or more uplink resources, and the message including information on the one or more spatial filters or one or more beam directions for receiving one or more downlink transmissions over the one or more downlink resources.

[0155] FIG. 12 illustrates a network entity 235 of a wireless communication system for providing transmit or receive spatial filter information according to another embodiment.

[0156] The network entity 235 is configured to receive information from the first base station including measurement results of downlink transmissions over downlink resources transmitted from the second base station and / or receive measurement reports from the measuring device including the measurement results.

[0157] Moreover, the network entity 235 is configured to determine the direction information depending on the information and / or depending on the measurement reports.

[0158] Additionally, the network entity 235 is configured to map direction information for one or more uplink resources and / or one or more downlink resources.

[0159] Moreover, the network entity 235 is configured to provide a message to the second base station including an indication of one or more spatial filters or one or more beam directions for one or more downlink transmissions over one or more downlink resources and / or one or more uplink receptions over one or more uplink resources, and / or the network entity 235 is configured to provide a message to a user equipment of the wireless communication system, the message including, for example, one or more configurations indicating transmit spatial filter information for one or more uplink resources, the message including information about one or more spatial filters or one or more beam directions for receiving one or more downlink transmissions over one or more downlink resources.

[0160] According to an embodiment, the network entities 230, 235 implement location management functionality.

[0161] In an embodiment, the indication may include, for example, one or more identifiers of one or more uplink resources and / or one or more uplink resource sets including the one or more uplink resources, where the one or more identifiers indicate at least one initial spatial filter or at least one initial beam direction for transmission of the one or more downlink resources, and / or the indication may include, for example, one or more identifiers of one or more downlink resources and / or one or more downlink resource sets including the one or more downlink resources, where the one or more identifiers indicate at least one initial spatial filter or at least one initial beam direction for reception of the one or more uplink resources.

[0162] In an embodiment, the indication may include one or more further identifiers of one or more uplink resources and / or one or more uplink resource sets, e.g., to indicate at least one further spatial filter or at least one further beam direction for reception of one or more other uplink resources, and / or the indication may include one or more further identifiers of one or more downlink resources and / or one or more downlink resource sets, e.g., to indicate at least one further spatial filter or at least one further beam direction for transmission of one or more other downlink resources.

[0163] In an embodiment, the indication may include, for example, one or more identifiers of the one or more uplink resources, each of which may be associated, for example, with a single uplink resource of the one or more uplink resources or with a single uplink resource set of the one or more uplink resource sets.

[0164] According to an embodiment, the indication may, for example, include one or more identifiers of the one or more downlink resources, each of which may, for example, be associated with a single downlink resource of the one or more downlink resources or with a single downlink resource set of the one or more downlink resource sets.

[0165] In an embodiment, the one or more identifiers may be associated with, for example, one or more uplink resources. The network entity 230, 235 may be configured to determine, for example, for each uplink resource of the one or more uplink resources or for each uplink resource set of the one or more uplink resource sets, one or more transmit spatial filters or one or more beam directions for the one or more downlink resources as a function of a spatial filter setting or a beam direction setting.

[0166] According to an embodiment, the network entity 230, 235 may be configured to, for example, send a request message to the first base station to perform one or more uplink resource measurements of one or more uplink resources. The measurement request message may, for example, include an indication of at least one initial spatial filter or at least one initial beam direction for the one or more uplink resource measurements and / or an indication of a type of measurement.

[0167] FIG. 13 illustrates a wireless communication system 240 according to an embodiment.

[0168] The wireless communication system 240 includes the apparatus 210 according to FIG.

[0169] Moreover, the wireless communication system 240 includes an additional network entity from which the apparatus 210 of Figure 9 receives the first message and the second message. Alternatively, the wireless communication system 240 includes the network entity 230 of Figure 11 or the network entity 235 of Figure 12.

[0170] According to an embodiment, the wireless communication system 240 may include, for example, the user equipment 220 of FIG.

[0171] Below, definitions are given and specific embodiments of the invention are described.

[0172] First, a definition of a network entity / node is given.

[0173] The network node may be an LMF (Location Management Function) or LS (Location Server) located in the core network, or a local LMF in the radio access network that provides beam information to BSs in the network. The LMF may manage support for different location services for the target UE, including positioning of the UE and delivery of assistance data to the UE. The LMF may interact with the serving BS for the target UE to obtain location measurement results for the UE, including uplink measurements made by the BS.

[0174] The network node may interact with the target UE to deliver assistance data when required for a particular location service or to obtain a position estimate when required. The network node may interact with multiple BSs to provide assistance data information for broadcast.

[0175] For positioning of the target UE, the network node may determine the positioning method to be used based on factors that may include LCS client type, required QoS, UE positioning capabilities, BS positioning capabilities. The positioning method may produce a position estimate for UE-based positioning methods and / or a positioning result for UE-assisted network-based positioning methods. The network node may combine all received results and determine a single position estimate for the target UE (hybrid positioning). Additional information such as accuracy of the position estimate and velocity may also be determined.

[0176] In the following, a definition of BS is given.

[0177] The BS is a network element of a radio access network (RAN) or a next-generation radio access network (NG-RAN) that may provide measurement information of a target UE and communicate this information to a network node. To support RAT-dependent positioning, the BS may perform measurements of radio signals for a target UE or a reference device and provide measurement results for location estimation. A BS may serve several BSs or TRPs, including, for example, remote radio heads, receive-only points (RPs), and transmit-only points (TPs). The BS may broadcast assistance data information received from the LMF in a positioning system information message.

[0178] In some scenarios, the set of TRPs is not static (non-static). The location or trajectory of the non-static TRPs may be known in the core network, or for the TRPs themselves, or for a communication or location estimation entity.

[0179] In one example, the non-static TRP is a non-terrestrial network (NTN) or an airborne network (drone) or a vehicle or a moving device, and the location of the transmitting antenna corresponding to the non-static TRP at the time of transmission or reception is known to the positioning entity (the UE in UE-based mode, or the network node in UE-assisted or network-based mode).

[0180] In the following, the DL-RS (Downlink Reference Signal) is considered.

[0181] A downlink reference signal (DL-RS), described herein as a reference signal, is transmitted from an apparatus such as a base station, a reference device, or a positioning TRP / TP.

[0182] The DL-RS may be used to enable downlink positioning measurements for DL ​​methods or UL and DL methods, such as TDOA, RTT, multi-RTT, or DL-AoD. The DL-RS may be referred to by those skilled in the art as DL-PRS, LTE PRS, SL-PRS, or any downlink or sidelink reference signal used for positioning purposes. The DL-RS may correspond to a particular positioning reference signal (PRS) or a communication reference signal used for positioning purposes, such as SSB or CSI-RS.

[0183] A DL-RS resource set is defined as a set of one or more DL-RS resources, where each resource has a DL-RS resource ID. In one option, the DL-RS resources in a DL-RS resource set may be associated with the same TRP or frequency layer. Each DL-RS resource ID in a DL RS resource set may be associated with a specific spatial filter. A TRP may be configured with multiple DL-RS resource sets. A DL-RS resource set consists of one or more DL-RS resources and is given multiple parameters. The parameters may include time domain behavior or periodicity and slot offset. For DL-PRS, the information element Periodicity-and-ResourceSetSlotOffset-r16 defines the DL-PRS resource periodicity for each DL-PRS resource set. All DL-PRS resources in one DL-RS resource set are configured with the same DL PRS resource periodicity. Semi-persistent scheduling allocates a period over a defined interval to DL resources. For aperiodic DL-PRS, no periodicity value is configured.

[0184] A BS or TRP may transmit multiple DL-RS resource sets, each containing one or more DL-RS resources. A DL-RS resource set may be associated with a set of beams (each DL-RS resource corresponds to or is associated with a beam) that are transmitted with a configured periodicity at a configured offset. Some sets are configured with a given periodicity.

[0185] A DL-RS positioning frequency layer is defined as a collection of DL-RS resource sets having common parameters and may be configured by a higher-order parameter PositioningFrequencyLayer.

[0186] The DL-RS resource and resource set configuration is provided to the UE from the LMF, or possibly from the serving cell via RRC or MAC-CE (medium access control-control element) messages, or via DCI (downlink control information), over a higher layer interface such as LPP (LTE positioning protocol). The UE performs measurements on the configured DL-RS resources.

[0187] The UE or reference device may be configured for measurements on one or more DL-RS or SL-RS resources. The RS may be DL-PRS or SL-PRS resources. The configuration may be provided to the UE via a higher layer configuration message containing assistance information for DL-RS resources sent from one or more BSs or TRPs. The support information for the DL-RS or SL-RS may include one or more of the following information: ResourceSet, ResourceSetId, Periodicity, ResourceRepetitionFactor, ResourceTimeGap, SFN0-Offset, ResourceSetSlotOffset, Resource, ResourceId, SequenceId, CombSizeN, ReOffest, ResourceSlotOffset, ResourceSymbolOffset, NumSymbols, QCL-Info, SubcarrierSpacing, CyclicPrefix, ResourceBandwidth, StartPRBDL-RS-PointA, RstdReferenceInfo, RstdMeasurementInfoRequest, UE-Rx-Tx-MeasurementInfoRequest, expectedRSTD, RSTD-uncertainty, MutingPattern.

[0188] A configuration entity, which may be a network entity or a serving base station, may provide or update a UE or a reference device with DL-RS or SL-RS measurement configuration. In one example, the configuration may be indicated as an IE (information element) over a higher layer interface such as LPP if the configuration entity is an LMF. The configuration may be indicated over an RRC, MAC-CE, or DCI if the configuration entity is a base station. The configuration may be indicated over a PC5 (sidelink) interface if the configuration entity is a UE or a reference device.

[0189] A network entity may configure a BS or a reference device for transmission configuration on one or more DL-PRS or SL-PRS resources. The configuration entity provides a higher layer configuration message to the UE that includes assistance information for DL-PRS resources received from one or more TRPs. The configuration entity provides or updates the TRP with one or more DL-PRS configurations, indicated as IEs (information elements), via a higher layer interface, such as NRPPa (NR Positioning Protocol A) if the configuration entity is an LMF, or one of Xn, F2, or X2 if the configuration entity is a base station, or PC5 (sidelink) interface if the configuration entity is a UE.

[0190] In the following, the UL-RS (Uplink Reference Signal) is considered.

[0191] An uplink reference signal (UL-RS) as described herein is a reference signal transmitted from an apparatus, such as a UE or a reference device. A UL-RS may be referred to by those skilled in the art as a UL-PRS, an SRS-for-positioning, an SL-PRS, or any uplink or sidelink reference signal used for positioning purposes.

[0192] The UL reference signal may be a dedicated positioning reference signal, such as UL-PRS or SRS, transmitted by the UE or reference device and used or configured for positioning, or a communication reference signal used for positioning purposes (e.g., SRS used or configured for MIMO). The configuration of the UL-PRS or SRS resource set and resources is determined by higher layer configuration over a higher interface, such as LPP, from the LMF or possibly from the serving cell via RRC or MAC-CE or DCI messages.

[0193] An SRS resource set is defined as a set that includes one or more SRS resources, each of which has an SRS resource ID; SRS configuration: a list of resources and resource sets that should be added or removed Maximum number of SRS resources per set for positioning (N) The maximum number of supported SRS resource sets for positioning is a UE capability, and it is possible to configure up to N resource sets per Bandwidth Part (BWP). · List of SRS resources in the set · Trigger type for resources in the set (periodic, SP: semi-persistent, non-periodic) SPS power control parameters including Alpha and P0 values ​​as well as the reference signal used for path loss determination may include one or more of:

[0194] An example of a resource IE for an SRS is given in Figure 4. Figure 4 shows an SRS resource configuration.

[0195] A configuration entity (serving gNB or LMF) configures the UE for transmission of one or more UL-PRS, SRS or SL-PRS resources. The configuration entity provides the UE with a higher layer configuration message containing assistance information for UL-PRS or SRS resources received from one or more TRPs. The assistance information for UL-PRS or SRS may include one or more of the following information: SRS-ResourceSetId, SRS-ResourceId, UL BWP ID, Serving cell ID, Cell PCI, ssbFrequencyhalfFrameIndex, SSB-periodicity, ssbSubcarrierSpacing, SFN-SSBoffset, SMTC, SSB Index, SFN0 Offset, ss-PBCH-BlockPower ID, DL-PRS-ResourceSetId, DL-PRS-ResourceId, NZP-CSIRS-ResourceID, servingCellId. The configuration entity may be an entity in the core network or a base station or a UE.

[0196] The configuration entity provides one or more UL-PRS configurations to the UE and updates the UE with them. The configuration is indicated by the LMF as an IE (Information Element) over a higher layer interface such as LPP. The configuration is indicated by the base station over one of the following: RRC, MAC-CE, DCI. The configuration can be indicated over PC5 (sidelink) from a second UE.

[0197] In the following a general definition of the SL PRS resources is given.

[0198] A sidelink (SL) reference signal is transmitted by a sidelink device such as a UE, a reference device, or a roadside unit (RSU) and may be a dedicated positioning reference signal, such as an SL-PRS, or an SRS-for-positioning, or a communication reference signal or synchronization reference signal used for positioning purposes such as SPSS or SSSS.

[0199] In the following, a general definition of an interval filter is given.

[0200] A spatial domain filter or spatial filter refers to precoding or filtering utilized at an antenna port of a communication device. Precoding or filtering can be performed or implemented on a transmitted or received signal in the analog or digital domain or a combination (hybrid) thereof. This results in the formation of a spatially selective or directional transmission or reception by the device, called a transmit beam or receive beam, respectively. The term "spatially selective" or "spatially directional" means that a beam formed via a spatial filter or a spatial domain filter allows the transmission or reception of a signal with higher gain in a certain spatial direction. A transmit / transmission / Tx beam refers to the spatially selective / directional transmission obtained from a spatial filter. A receive / reception / Rx beam refers to the spatially selective / directional reception obtained from a spatial filter.

[0201] In the following, a general definition of the QCL relationship is given.

[0202] Two antenna ports are said to be quasi-collocated (QCL) if the nature of the channel through which symbols on one antenna port are carried can be inferred from the channel through which symbols on the other antenna port are carried.

[0203] Spatial parameters for QCL in NR describe the properties of the spatial channels of the RS antenna ports observed at the receiver, and these can consider one or more of the following parameters: Angle of Arrival (AoA), dominant AoA, average AoA, power angle spectrum (PAS) of AoA, angle of departure (AoD), average AoD, PAS of AoD, transmit / receive channel correlation, transmit / receive beamforming, spatial channel correlation, etc.

[0204] The spatial Rx parameters for the QCL in NR describe the spatial channel properties of the RS antenna ports as observed by the network entity.

[0205] [Table 1]

[0206] In one example, QCL parameter type A or type B may be used to indicate that a target reference signal (RS) or target signal and a source or reference RS (RS provided in the QCL configuration) are transmitted from the same TRP using different beams, so that the Doppler information can be assumed to be similar and it is not required for the device to derive Doppler information for the target signal or RS.

[0207] In another example, the target RS and the reference or source RS may be shown to fall into similar angles of arrival, so that the same Rx spatial filter may be applied by the device, as indicated by the QCL-TypeD parameter.

[0208] Measurement times, reporting and configuration are described below.

[0209] A measurement device measuring DL-RS may be capable of reporting multiple measurement instances (RSTD, DL RSRP, and / or UE Rx-Tx time difference measurement results) of DL-RS in a single measurement report to a network node for UE-assisted positioning. A measurement device measuring UL-RS may be capable of reporting multiple measurement instances (RTOA, UL RSRP, and / or gNB Rx-Tx time difference measurement results) in a single measurement report to a network node. A measurement instance may include measurement information from one or more measurement occasions that may be obtained by averaging over multiple occasions. A measurement instance may also refer to one or more measurement results of the same or different types obtained from the same DL-RS / UL-RS. A measurement device may report one or more measurement instances with one or more timestamps. In an example, two measurement results reported with the same timestamp for the same DL-RS or UL-RS measurement may correspond to different reception characteristics at the measurement device. In an embodiment, the measurement device may be a base station, for example, or a TRP, for example, or a UE, for example, or other network entity of a wireless communication system, for example.

[0210] The measurement device may be configured to report one or more measurement instances of a DL-RS / UL-RS resource or resource set or measurement time occasion. In one example, the measurement device may be configured to report one or more measurement results along with timestamp information for one or more DL-RS or UL-RS measurement instances.

[0211] The transmitting device may be configured to transmit one or more reference signals, the configuration including one or more parameters along with time information, and the transmitting device may apply the parameters at the indicated time for transmitting the configured reference signal.

[0212] In the following, a method performed by a base station according to an embodiment is described. A base station or a gNB is also given, the base station or the gNB being operable to perform any one of the subject method steps described below.

[0213] As a key concept of the base station of the embodiment, the LMF provides the TRP with information about the directional or spatial filter to be applied.

[0214] According to an embodiment, a method performed by a base station (BS) is provided, the method comprising: receiving (201.a, 201.b, 201.c) a first message indicating a measurement request or an information request or a positioning activation request from a network node (LMF); receiving (202) a second message from a network node (LMF) including at least an indication of a spatial filter or beam direction for transmission of one or more downlink (DL) resources and / or reception of one or more uplink (UL) resources; determining one or more transmit and / or receive spatial filters or beam directions based on the indicia (202); and applying a spatial filter or beam direction to the one or more DL RSs and / or one or more UL RSs in response to the first message.

[0215] According to an embodiment, the indication (202) includes at least one or more identifiers (IDs) of one or more UL resources and / or UL resource sets for indicating at least a spatial filter or beam direction for transmission of one or more DL resources, and / or one or more IDs of one or more DL resources and / or DL ​​resource sets for indicating at least a spatial filter or beam direction for reception of one or more UL resources.

[0216] According to an embodiment, the indication (202) includes at least one or more identifiers (IDs) of one or more UL resources and / or UL resource sets for indicating at least a spatial filter or beam direction for reception of one or more other UL resources, and / or one or more IDs of one or more DL resources and / or DL ​​resource sets for indicating at least a spatial filter or beam direction for transmission of one or more other DL resources.

[0217] According to an embodiment, the indication (202) includes one or more identifiers for one or more UL resources, each identifier being associated with a single UL resource or set of resources.

[0218] According to an embodiment, the indication (202) includes one or more identifiers for one or more DL resources, each identifier being associated with a single DL resource or set of resources.

[0219] In an exemplary embodiment, one or more IDs are associated with one or more UL resources. The base station determines at least one transmit spatial filter or beam direction for one or more DL RSs for each UL resource or set based on a spatial filter setting or a beam direction setting. In some examples, the one or more DL RSs may be indicated to the BS by a network node (LMF). The determined transmit spatial filter or beam direction is applied by the BS for the transmission of the one or more DL RSs. In an exemplary embodiment, one or more IDs are associated with one or more DL resources. The base station determines at least one receive spatial filter or beam direction for one or more UL RSs for each DL resource or set based on a spatial filter setting or a beam direction setting. In some examples, the one or more UL RSs may be indicated to the BS by a network node (LMF). The determined receive spatial filter or beam direction is applied by the BS for the reception of the one or more UL RSs.

[0220] In an exemplary embodiment, one or more IDs are associated with one or more UL resources. The base station determines at least one receive spatial filter or beam direction for one or more other UL RSs for each UL resource or set based on a spatial filter setting or a beam direction setting. In some examples, the one or more other UL RSs may be indicated to the BS by a network node (LMF). The determined receive spatial filter or beam direction is applied by the BS for reception of the one or more other UL RSs. In an exemplary embodiment, one or more IDs are associated with one or more DL resources. The base station determines at least one transmit spatial filter or beam direction for one or more other DL RSs for each DL resource or set based on a spatial filter setting or a beam direction setting. In some examples, the one or more other DL RSs may be indicated to the BS by a network node (LMF). The determined transmit spatial filter or beam direction is applied by the BS for transmission of the one or more other DL RSs.

[0221] According to an embodiment, one or more second messages (202) may be associated with the first message or may be part of the first message (201.a, 201.b, 201.c).

[0222] In the following, an example of a first message received by a BS according to an embodiment is described.

[0223] FIG. 5 shows the communication between the BS and the LMF.

[0224] In a corresponding embodiment, the BS may receive a request message from the LMF to perform one or more measurements of one or more UL-RSs. The measurement request (201.a) includes an indication of at least one spatial filter or beam direction information for the one or more UL-RS measurements and / or an indication of the type of measurement. In some examples, the measurement type may correspond to "RSRP", "RTOA", "Rx-Tx-Time-difference", or "AoA", or a combination thereof. The measurements are performed by the base station on one or more UL RS resources associated with one or more UL resource sets.

[0225] When the BS receives a measurement request or a measurement request update for one or more UL-RSs, the measurement request message may include information about spatial filters or beam directions. An example of configuration information in a measurement request from the LMF to the BS is shown in Table 1, which is part of the BS measurement request or part of the measurement quantity information (or UL-RS configuration) as shown in Table 2.

[0226] [Table 2]

[0227] [Table 3]

[0228] In a corresponding embodiment, the BS provides information about the spatial filter or beam direction to the network node (LMF). In some examples, the BS may provide information about the spatial filter or beam direction in response to a measurement request (201.a). The information may include one or more IDs of one or more DL resources, each ID associated with a single DL resource or resource set. The information may include one or more IDs of one or more UL resources, each ID associated with a single UL resource or resource set. The information may include one or more IDs of one or more UL resources or sets and / or one or more DL resources or sets indicated in the message (202) or in response to the request in (201.b).

[0229] The information may include one or more ID pairs, each ID pair including at least two IDs, where a first ID is associated with a UL resource and a second ID is associated with a DL resource, or where a first ID is associated with a DL resource and a second ID is associated with a UL resource. For UL / DL resources associated with an ID pair, there may be a correspondence between their associated transmit and receive spatial filters or beam directions. In other cases, the information may include one or more ID pairs, each ID pair including at least two IDs, where a first ID is associated with a DL resource and a second ID is associated with another DL resource, or where a first ID is associated with a UL resource and a second ID is associated with another UL resource. For DL / DL or UL / UL resources associated with an ID pair, there may be a correspondence between their associated spatial filters or beam directions.

[0230] In a corresponding embodiment, the BS may receive a message (201.a) in a measurement request requesting the BS to provide time information for reception of one or more UL resources across one or more measurement instances in a measurement report. In some options, the BS may provide information about applied receive spatial filters for reception of one or more UL resources. In some options, the BS may provide the same time information (e.g., timestamp) for the same UL resource ID for one or more measurements associated with one or more measurement reports. This is performed by the BS simultaneously on the same UL resource using different receive spatial filters and / or beam directions and / or different component carriers.

[0231] In a corresponding embodiment, the BS may receive a message from the LMF including a request for information about one or more DL-RS configurations, and in response, the BS may provide the LMF with information about the DL-RS configuration including at least one or more identifiers for one or more DL-RS resources, the resources belonging to one or more resource set IDs corresponding to the BS ID in a given frequency layer.

[0232] In one embodiment, the LMF may request the BS to modify one or more transmit spatial filters (e.g., their directions) associated with one or more DL-RS resources. The IDs of the DL-RS resources may be reported by the BS triggered in the LMF request in message (201.a) or message (201.b). In one example, the BS may receive a configuration message (202) from the LMF that includes an indication of at least a spatial filter or beam direction for transmission of at least one or more DL-RS resources.

[0233] In one embodiment, the LMF may request the BS to modify one or more receive spatial filters (e.g., their directions) corresponding to one or more UL-RS resources. The IDs of the UL-RS are reported by the BS triggered by the LMF request in message (201.a) or message (201.b), or are generated from BS measurement reports.

[0234] Below, an example of a first message received by BS 201c according to one embodiment is described.

[0235] In a corresponding embodiment, the BS may receive a message from the LMF to indicate enabling or triggering of DL-RS transmission. The BS may provide an enable response or an enable failure to the LMF for the provided enable request. The BS receives a configuration message (202) after the enable response that includes an indication of at least a spatial filter or beam direction for transmission of at least one DL resource and / or an indication of one or more identifiers (IDs) of one or more enabled or triggered downlink (DL) resources.

[0236] Below, an example of a configuration message 202 according to one embodiment is described.

[0237] According to an embodiment, the BS receives a configuration message (202) from the LMF or any other network node that includes an indication of a spatial direction and / or beam direction for one or more DL-RS resources. In some examples, the BS may receive explicit direction angle information (e.g., angle of arrival) or a geographic area indication that indicates the beam direction.

[0238] In an example embodiment, the BS may receive an indication including spatial filter information from the LMF as part of the configuration message (202). The indication may include at least a DL RS indication and / or one or more identifiers (IDs) of one or more DL resources or sets corresponding to one or more DL RSs transmitted by the BS. The spatial filter information may include at least a UL RS indication and / or one or more identifiers (IDs) of one or more UL resources or sets corresponding to a UL RS received by the BS.

[0239] In an example embodiment, the BS may receive an indication or information for transmission of one or more DL RSs from the LMF as part of a configuration message (202). This indication or information may include at least one ID of one or more reference DL RSs. The BS may use the information or indication to determine one or more transmit spatial filters for DL-RSs that have similar directional characteristics as the reference DL-RS. In some examples, similar directional characteristics means that at least one DL-RS overlaps in the spatial domain with the reference DL-RS.

[0240] In an example embodiment, the BS may receive an indication or information for transmission of one or more DL RSs from the LMF as part of a configuration message (202). This indication or information may include at least one ID for one or more reference UL RSs. The BS may use the information or indication to determine one or more transmit spatial filters for the DL-RS that have similar directional characteristics as the spatial filters used for reception of the one or more reference UL-RSs. In some examples, similar directional characteristics means that at least one DL-RS overlaps in the spatial domain with the reference UL-RS.

[0241] In an example embodiment, the BS may receive information or indication for reception of at least one UL RS from the LMF as part of a configuration message (202). The information may include IDs for one or more reference UL RSs. The BS may use the information or indication to select one or more receive spatial filters for UL-RS reception that have similar directional characteristics as the spatial filters used for reception of the one or more reference UL-RSs. In some examples, similar directional characteristics means that at least one UL-RS overlaps in the spatial domain with the reference UL-RS.

[0242] In an example embodiment, the BS may receive information or indication for reception of at least one UL RS from the LMF as part of a configuration message (202). The information may include IDs for one or more reference DL RSs. The BS may use the received information to select one or more receive spatial filters for UL-RS reception that have similar directional characteristics as the transmit spatial filters used for transmission of the one or more reference DL-RSs. In some examples, similar directional characteristics means that at least one UL-RS overlaps in the spatial domain with the reference DL-RS.

[0243] In a corresponding embodiment, the BS will transmit the following information in a global coordinate system (GCS) or local coordinate system (LCS) as part of the configuration message (202): Azimuth, elevation angle, Azimuth uncertainty, Elevation Angle Uncertainty The LMF may receive direction angle information indicating one or more of:

[0244] In a corresponding embodiment, the BS may provide as part of the configuration message (202) the following information in the map projection area in Global Coordinate System (GCS) or Local Coordinate System (LCS) or relative geodetic position: X, Y, Z unit values X Value Y Value Z Value Area Uncertainty or Reliability Area uncertainty or confidence type (sphere, ellipse…) or one or more of the following location information: latitude longitude altitude Latitude difference Differential longitude differential altitude Uncertainty or Reliability The LMF may receive information indicating one or more of:

[0245] In the following, an example of an uplink trigger procedure according to an embodiment is described.

[0246] FIG. 6 illustrates an example of a UL-triggered beam assistance procedure coordinated by the LMF. Specifically, FIG. 6 illustrates a procedure for providing more than one configuration message (202) to a second BS (BS-2) for providing one or more spatial filters or beam directions for reception of one or more UL-RSs in stage 5 and / or transmission of one or more DL-RSs in stage 10. The LMF communicates with a first BS (BS-1) and a second BS (BS-2), and the first BS can configure a device with a primary or secondary cell for UL-RS transmission. The second BS may not be able to configure the device or communicate directly with the device.

[0247] In one example, the first BS may receive a message from the LMF including an information request (201.b) requesting information about one or more UL-RS configurations configured for the device by the first BS. The first BS may respond to the LMF and provide information about one or more UL-RS resources and / or one or more UL-RS resource sets.

[0248] For UL-RS sounding for positioning purposes, there may be at least two options for the procedure after the measurement of the UL-RS resources (step 7-b in FIG. 6). After the measurement of the UL-RS resources, the LMF indicates (via indication 202) the spatial filter for the DL-RS to the base station by indicating the ID of the UL RS to be used for DL ​​beamforming (step 10 in FIG. 6). This indication may be performed by the LMF either with or without an indication of the ID of the DL RS for which the spatial filter has to be applied.

[0249] According to an embodiment, the base station is configured to receive from a network node (LMF) an indication of one or more IDs of UL resources or resource sets and one or more IDs of DL resources, where a spatial filter or beam direction to be used for transmission of the indicated DL resources is derived from a spatial filter or beam direction used for reception of one or more of the UL resources or resource sets.

[0250] According to an embodiment, the base station is configured to receive from a network node (LMF) an indication of one or more IDs of UL resources or resource sets, and a spatial filter or beam direction used for transmission of the one or more DL resources or resource sets by the base station is derived from the spatial filter or beam direction used for reception of the one or more indicated UL resources or resource sets at the base station.

[0251] If the indication does not include the ID of one or more DL RSs, then either the base station itself chooses the DL RS to be beamformed, or the DL RSs to be used are known by the BS, e.g., they are given by the NR specifications. In one option, the base station may inform the LMF of one or more IDs of DL RSs or the set configured for DL-RS transmission.

[0252] According to an embodiment, the base station is configured to use a spatial filter or beam direction for one or more DL RSs derived from a spatial filter or beam direction of one or more UL RSs indicated by a network node (LMF), and the DL RS to which the spatial filter or beam direction should be applied is: Indicated to the base station by the LMF, or Selected by the base station, or Selected by the Base Station from information provided by the LMF, or The RS is known by the base station (e.g., the RS is given in the NR specifications).

[0253] When the base station selects the DL RS to be used, it may optionally report the DL-RS to the LMF.

[0254] According to an embodiment, the base station is configured to provide IDs of one or more DL RSs to a network node (LMF). The DL RSs associated with the reported IDs may be DL RSs that the base station may transmit in the downlink, and the report may be provided after receiving an indication of UL resources from the LMF for derivation of a spatial filter. The base station may obtain a spatial filter or beam direction for the reported DL RS from the UL RSs indicated to the base station by the LMF.

[0255] Since the base station uses a spatial filter or beam direction derived from one or more UL RSs for the DL RS, it may indicate to the UE the application of said spatial filter or beam direction.

[0256] According to an embodiment, the network node, the base station or the LMF is configured to provide at least one of the following messages to the user equipment via the PHY layer or a higher layer: the UE derives a spatial filter or beam direction for receiving the DL RS "P" from the spatial filter or beam direction used to transmit the UL RS or set of UL RSs "S", or The UE assumes that the spatial filter or beam direction for transmitting DL RS "P" by the base station is derived from the spatial filter or beam direction used to receive UL RS or RS set "S" at the base station.

[0257] This indication may be performed, for example, by providing a UL RS or RS set "S" with a TCI state reference (TCI = Transmission Configuration Indicator) for DL ​​RS "P", and DL RS "P" may be given a TCI state with QCL type "D" association with UL RS "S".

[0258] This indication may be performed, for example, by providing a UL RS or RS set "S" in an LPP indication dl-RS-Info for DL ​​RS "P", which may be provided as a dl-RS-QCL-Info with a QCL type "D" association with UL RS "S".

[0259] This procedure may occur between the UE and the base station independent of the DL RS selection process that occurs between the base station and the LMF.

[0260] Note: any reference to the use of one or more DL or UL resources in any of the above embodiments may also refer to the use of a DL or UL resource set that includes the one or more resources.

[0261] In the following, an example of a BS receiving a configuration message (202) is described.

[0262] According to an embodiment, the BS may receive the information before or after the configuration message (202). The information message may include information about whether the UL resource or resource set or / and the DL resource or resource set originates from or / and targets the reference device. The information message (20Y) may include one or more of the following parameters: One or more identifiers (IDs) of one or more UL resources and / or UL resource sets associated with the reference device One or more identifiers (IDs) of one or more DL resources and / or DL ​​resource sets associated with the reference device · Reference device type indication Location information of the reference device - Orientation information of the reference device

[0263] In a corresponding embodiment, the BS uses one or more parameters in the information message (20Y) to estimate the LOS (line of sight) or NLOS (non-line of sight) channel conditions between the BS and the reference device. In response to the measurement request, the BS may provide a measurement report that includes an indication for the LOS or NLOS channel conditions for one or more UL-RSs originating from the reference device, or that uses the information of the reference device to derive LOS or NLOS indications for measurements for one or more UL-RSs originating from the UE.

[0264] In the following, an example according to an embodiment is described, in which in response to a configuration message 202, the BS provides information about the settings to be applied.

[0265] According to an embodiment, the BS may provide an indication to the LMF in response to (202) or in a measurement report on applying one or more transmit and / or receive spatial filters or beam directions derived in (202). The indication may include one or more IDs of UL and / or DL ​​resources, or an indication of success on applying the configuration (202), or information on the applied beam direction at the BS for transmission and / or reception. The BS may indicate whether one or more IDs of the DL-RS or UL-RS are spatially associated with one or more IDs indicated in (202).

[0266] According to an embodiment, the BS may provide to the LMF in response to (202) or in a measurement report an indication of an updated selection of one or more transmit and / or receive spatial filters or beam directions selected by the BS, which may include at least one parameter or indication different from (202). The indication may include information about one or more identities of UL and / or DL ​​resources or applied beam directions at the BS for transmission and / or reception.

[0267] Below, an example of configuration message validation according to an embodiment is described.

[0268] According to an embodiment, the indication (202) may include validity information for at least one or more identifiers (IDs) of one or more UL resources and / or UL resource sets and / or one or more IDs of one or more DL resources and / or DL ​​resource sets to indicate at least a spatial filter or beam direction for reception of one or more UL resources. The validation information may include an indication of a time (e.g., SFN, Hybrid-SFN, slot, second, system-specific timestamp, etc.) during which the configuration (202) is valid. The validation information may include an indication of one or more time frames during which the configuration (202) may be applied. The time frames may include an indication of one or more occasions during which the configuration should be applied to aperiodic, semi-persistent, or periodic UL-RS for reception and / or to DL-RS for transmission.

[0269] In the following, DL resource configuration according to an embodiment is described. As a specific example of the embodiment, three possible options are described here.

[0270] Option 1: Step 1: BS informs LMF about DL resources (as in 201-b), Step 2: LMF provides configuration for one or more resources, Step 3: BS confirms or aborts.

[0271] Option 2: Step 1: BS informs LMF about a set of configurable DL resources (as in 201-b), Step 2: LMF provides configuration for one or more resources, Step 3: BS confirms or aborts.

[0272] Option 3: Step 1: The BS receives PRS usage characteristics from the LMF. The BS provides information about configured DL RS resources to the LMF according to these characteristics.

[0273] Specifically, a flow chart of a method for enabling BS-specific beam direction configuration for DL-RS is shown. Specifically, FIG. 7 shows an example of direction configuration for DL-RS (option 1). The base station may receive a request from the LMF to provide information about one or more DL-RSs configured at the base station. In response to the request, the base station may provide information or configuration of one or more DL-RSs. The provided information may be, for example, part of a BS-Information-Item that includes the DL-RS configuration as shown in Table 3. The information may include spatial direction information of one or more DL-RS resource set IDs or resource IDs. In one embodiment, the LMF uses the spatial direction information received from the base station to generate a configuration indicating a spatial filter or beam direction for one or more DL-RSs, or to update or reconfigure the direction or spatial setting of one or more DL-RSs.

[0274] [Table 4]

[0275] In one embodiment, the base station receives a configuration message indicating directions of one or more DL RSs at the base station, at least one of the indications corresponding to a DL-RS provided by the BS to the LMF in a previous message.

[0276] In one embodiment, the BS may further receive a request to reconfigure one or more DL-RSs based on previously received configuration messages or concurrent configuration and configuration requests, and the BS may respond to the LMF by acknowledging the configuration request if the operation is successful or by signaling a failure message if the operation is not successful.

[0277] In one embodiment, the base station may further receive a request to enable one or more DL-RSs based on a previously received configuration message or concurrent configuration and configuration requests. The base station may respond to the LMF by acknowledging the configuration request if the operation is successful or by signaling a failure message if the operation is not successful.

[0278] The base station may receive a request from a network node (LMF) to provide therein information about one or more DL-RSs configured at the BS. In response to the request, the base station may provide information or configurations of one or more reconfigurable DL-RSs. In one embodiment, the LMF uses the information about one or more reconfigurable sets or one or more reconfigurable resources received from the base station to generate a configuration indicating spatial information or beam directions for the DL-RS or indicating spatial information or beam directions for updating or reconfiguring one or more orientation or spatial settings of the DL-RS.

[0279] In one embodiment, the base station is configured by a network node (LMF) to apply desired DL-RS characteristics, including spatial and / or beam direction information. In response to this message, the base station may provide configuration for one or more DL-RSs related to the characteristics indicated in the message from the LMF.

[0280] In the following, a UE method and a UE concept according to an embodiment are described.

[0281] The UE may receive information to perform measurements for one or more DL-RSs from a network entity. The UE may receive configuration for one or more UL-RSs from the same or a different entity. In one example, the entity configuring the UE may be a BS. The UE may receive an instruction to perform measurements for one or more DL-RSs. The information for DL-RS reception may include an indication for a spatial filter or reception direction of the DL-RS based on one or more UL-RSs. The UE may use a spatial filter or beam direction derived from one or more UL RSs for the DL RS.

[0282] In some examples, the UE is configured to receive at least one of the following messages from a network node (LMF) or from a base station, via a PHY layer or higher layer (e.g., RRC): the UE may derive a spatial filter or beam direction for receiving DL RS "P" from a spatial filter or beam direction used to transmit the UL RS or UL RS set "S", or the UE may assume that a spatial filter or beam direction for transmitting DL RS "P" by the base station is derived from a spatial filter or beam direction used to receive the UL RS or RS set "S" at the base station. This indication may be performed, for example, by providing the UL RS or RS set "S" to a TCI state reference for DL ​​RS "P", and DL RS "P" may be given a TCI state with QCL type "D" association with UL RS "S".

[0283] According to an embodiment, a method performed by a user equipment (UE) comprises: receiving a message from a network entity (LMF) including one or more configurations for reception of one or more DL-RSs associated with one or more serving or neighboring BSs; receiving an indication from a network entity (LMF) including transmit spatial filter information for one or more UL-RSs; determining a receive spatial filter or beam direction for one or more DL-RSs using the one or more UL-RSs; applying a receive spatial filter or beam direction for receiving one or more DL-RSs using the one or more UL-RSs.

[0284] The UE may receive information from a network entity (LMF) to perform measurements for one or more DL-RSs. The UE may receive configuration for SL-RS (sidelink resource) transmission from the same or different entity. In one example, the entity configuring the UE may be a BS. The UE may receive an indication to perform measurements for one or more SL-RSs. The information for DL-RS reception may include an indication for a spatial filter or a receiving direction from one or more SL-RSs.

[0285] According to an embodiment, a method is provided that is performed by a user equipment (UE), the method comprising: receiving a message from a network entity including one or more configurations for reception of one or more DL-RS for one or more serving or neighboring BSs.

[0286] For example, the BS may apply one of the base station concepts provided above or one of the methods provided above for the BS to obtain, for example, the DL-PRS. receiving an indication from a network entity that includes transmit spatial filter information for one or more sidelink (SL) RSs; Determine a spatial filter or beam direction for receiving one or more DL-RSs using one or more SL-RSs from a set of parameters

[0287] In a corresponding embodiment, the UE may correspond to a reference device, which may provide its location to a network entity or whose location is known at the network entity. A reference device whose location is known has the following functions: Measure DL-RS and report related measurement results (e.g., RSTD, Rx-Tx time difference, RSRP) to the LMF · Transmits UL-RS and enables the BS to perform measurements and report the measurement results (e.g., RTOA, Rx-Tx time difference, AOA) from the reference device to the LMF Support one or more of the following:

[0288] The UE may be required to perform one or more positioning methods based on a UL transmission, such as UL-AoA or UL-TDoA. The UE may be configured for transmission of one or more UL-RS resources with a UL-RS configuration. The UE may be required to perform one or more positioning methods based on a DL transmission, such as DL-AoA or DL-TDoA. The UE may be given information about one or more DL-RS resources for DL-RS reception. The UE may provide an indication to the LMF as to whether one or more measurements for one or more DL-RSs at a given time are associated with one or more UL-RSs.

[0289] According to an embodiment, in a UE-assisted mode, the UE may provide to the LMF an indication of whether one or more measurements on one or more IDs of a DL-RS resource or resource set are spatially associated with one or more IDs of one or more UL-RS resources. The UE measurements may be RSTD, RSRP, Rx-Tx, RSRP, or any measurement performed by the UE on the DL-RS in the UE-assisted mode.

[0290] In a corresponding embodiment, in a UE-assisted mode, the UE may provide to the LMF an indication as to whether one or more measurements on one or more IDs of a DL-RS resource or resource set are associated with one or more IDs of one or more UL-RS resources at a given time (e.g., a timestamp).

[0291] According to an embodiment, in a UE-based mode, the UE may receive an indication from the LMF as to whether one or more IDs of DL-RS resources or resource sets from one or more BSs are spatially associated with one or more IDs of one or more UL-RS resources.

[0292] The UE may be required to perform one or more positioning methods based on UL transmission and DL reception, such as multi-RTT. The UE may be configured for transmission on one or more UL-RS resources with a UL-RS configuration and may be given information on one or more DL-RS resources for DL-RS reception. The UE may provide an indication to the LMF as to whether one or more Rx-Tx measurements for one or more DL-RSs at a given time are spatially associated with one or more UL-RSs.

[0293] According to an embodiment, in a UE-assisted mode, the LMF may provide an indication as to whether one or more Rx-Tx measurements on one or more IDs of a DL-RS resource or resource set are spatially associated with one or more IDs of one or more UL-RS resources. The UE measurements may be RSTD, RSRP, Rx-Tx, RSRP, or any measurement performed by the UE on the DL-RS in the UE-assisted mode.

[0294] In an embodiment, the UE may receive an indication from the LMF as to whether one or more Rx-Tx BS measurements are spatially associated with one or more IDs of one or more UL-RS resources.

[0295] In the following, a UE initiated request according to an embodiment is described.

[0296] The UE may perform measurements on the DL-RS and use the measurement results to request or recommend to a network entity to configure a new DL-RS with a spatial filter configuration or beam direction or to modify an existing DL-RS. The UE may derive a spatial filter or beam direction for receiving a DL RS from one or more DL RSs of one or more BSs. The UE may provide an indication of the spatial filter or beam direction for one or more DL-RSs to the network entity. The network entity may use the information provided by the UE request to derive a configuration message (202).

[0297] LMF method According to an embodiment, a network entity of a wireless communication system for providing transmit or receive spatial filter information, the network entity comprising: receiving information from a first base station including measurement results of uplink transmissions over uplink resources transmitted from one or more user equipments and / or receiving measurement reports from a second base station including the measurement results; determining directional information depending on the information and / or depending on the measurement reports; Mapping direction information for one or more uplink resources and / or one or more downlink resources It is configured as follows.

[0298] According to an embodiment, a network entity of a wireless communication system for providing transmit or receive spatial filter information, the network entity comprising: receiving information from the first base station including a measurement result of downlink transmission by the downlink resource transmitted from the second base station, and receiving a measurement report including the measurement result from the measuring device; determining directional information depending on the information and / or depending on the measurement reports; Mapping direction information for one or more uplink resources and / or one or more downlink resources It is configured as follows.

[0299] In a corresponding embodiment, the network entity provides a message to the second base station that includes an indication of one or more spatial filters or one or more beam directions for one or more downlink transmissions over one or more downlink resources and / or for one or more uplink receptions over one or more uplink resources; and / or

[0300] In a corresponding embodiment, the network provides a message to a user equipment of the wireless communication system, the message including one or more configurations indicating transmit spatial filter information for one or more uplink resources, and the message including information on one or more spatial filters or one or more beam directions for receiving one or more downlink transmissions over the one or more downlink resources.

[0301] According to an embodiment, a method is provided which is performed by a network node (LMF (500)). The method includes: receiving information from a first BS, the information including a measurement result of a DL RS transmitted from a second BS, and / or receiving a measurement report from a measuring device, the measurement result including the DL RS measurement result; determining direction information based on the information and / or measurement reports; mapping direction information for at least one UL resource and / or DL ​​resource; providing a message (202) to a second BS, the message (202) including at least an indication of a spatial filter or beam direction for transmission of one or more downlink (DL) resources and / or reception of one or more uplink (UL) resources; or The method includes providing a message (402) to a UE including one or more configurations indicating at least one transmit spatial filter information for one or more UL-RSs, and enabling the UE to use the information to determine a spatial filter or beam direction for receiving one or more DL-RSs using the one or more UL-RSs from a set of parameters.

[0302] According to an embodiment, a method performed by a network node for providing transmit spatial filter information, the method comprising the steps of: receiving information from a first base station including measurement results of uplink transmissions over uplink resources transmitted from one or more user equipments, and receiving a measurement report from a second base station including the information; determining directional information in response to the information and / or in response to the measurement reports; Mapping direction information for one or more uplink resources and / or one or more downlink resources; providing a message to the second base station including an indication of one or more spatial filters or one or more beam directions for one or more downlink transmissions over one or more downlink resources and / or one or more uplink receptions over one or more uplink resources; and / or Providing a message to a user equipment of a wireless communication system, the message including one or more configurations indicating transmit spatial filter information for one or more uplink resources, the message including information about one or more spatial filters or one or more beam directions for receiving one or more downlink transmissions over the one or more downlink resources. It is configured as follows.

[0303] Although some aspects of the described concepts are described in the context of an apparatus, it will be apparent that these aspects also represent descriptions of corresponding methods, where a block or device corresponds to a method step or feature of a method step, and similarly, aspects described in the context of a method step also represent descriptions of a corresponding block or item or feature of a corresponding apparatus.

[0304] Various elements and features of the invention may be implemented in hardware using analog and / or digital circuits, in software, through execution of instructions by one or more general-purpose or special-purpose processors, or as a combination of hardware and software. For example, embodiments of the invention may be implemented in the environment of a computer system or other processing system. FIG. 8 shows an example of a computer system 600. The units or modules, as well as the steps of the methods performed by these units, may be performed in one or more computer systems 600. The computer system 600 includes one or more processors 602, such as a special-purpose or general-purpose digital signal processor. The processor 602 is connected to a communication infrastructure 604, such as a bus or a network. The computer system 600 includes a main memory 606, such as a random access memory (RAM), a secondary memory 608, such as a hard disk drive and / or a removable storage device. The secondary memory 608 may allow computer programs or other instructions to be loaded into the computer system 600. The computer system 600 may further include a communication interface 610 to allow software and data to be transferred between the computer system 600 and external devices. The communications may be in the form of electronic, electromagnetic, optical, or other signals capable of being handled by the communications interface. Communications may use wire or cable, fiber optics, phone lines, cellular phone links, RF links, and other communications channels 612.

[0305] The terms "computer program medium" and "computer readable medium" are used to generally refer to tangible storage media, such as a removable storage unit or a hard disk installed in a hard disk drive. These computer program products are means for providing software to the computer system 600. Computer programs, also called computer control logic, are stored in the main memory 606 and / or the secondary memory 608. Computer programs may also be received via the communication interface 610. The computer programs, when executed, enable the computer system 600 to perform the present invention. In particular, the computer programs, when executed, enable the processor 602 to perform the processes of the present invention, such as any of the methods described herein. Thus, such computer programs may represent the controller of the computer system 600. When the present disclosure is implemented using software, the software may be stored in a computer program product and loaded into the computer system 610 using an interface, such as a removable storage device, the communication interface 610.

[0306] The hardware or software implementation may be performed using a digital storage medium, such as a cloud storage, a floppy disk, a DVD, a Blue-Ray, a CD, a ROM, a PROM, an EPROM, an EEPROM, or a flash memory on which the electronically readable control signals are stored, which cooperate or can cooperate with a programmable computer system to perform the respective methods. Thus, the digital storage medium may be computer readable.

[0307] Some embodiments according to the invention include a data carrier having electronically readable control signals capable of cooperating with a programmable computer system to cause one of the methods described herein to be performed.

[0308] In general, embodiments of the present invention may be implemented as a computer program product with program code operable to perform one of the methods when the computer program product is executed on a computer. The program code may for example be stored on a machine-readable carrier.

[0309] Other embodiments comprise the computer program for performing one of the methods described herein, stored on a machine-readable carrier. In other words, an embodiment of the inventive method is therefore a computer program having a program code for performing one of the methods described herein, when the computer program runs on a computer.

[0310] A further embodiment of the inventive method is therefore a data carrier or digital storage medium or a computer readable medium having recorded thereon a computer program for performing one of the methods described herein. A further embodiment of the inventive method is therefore a data stream or a sequence of signals representing a computer program for performing one of the methods described herein. The data stream or the sequence of signals may for example be configured to be transferred via a data communication connection, for example via the Internet. A further embodiment comprises a processing means, for example a computer or a programmable logic device, for example configured or adapted to perform one of the methods described herein. A further embodiment comprises a computer having installed thereon a computer program for performing one of the methods described herein.

[0311] In some embodiments, a programmable logic device, such as a field programmable gate array, may be used to perform some or all of the functions of the methods described herein. In some embodiments, a field programmable gate array may cooperate with a microprocessor to perform one of the methods described herein. In general, the methods are preferably performed by any hardware apparatus.

[0312] The above-described embodiments merely exemplify the principles of the present invention. It is understood that modifications and variations of the configurations and details described herein are obvious to those skilled in the art. It is therefore intended to be limited only by the scope of the appended claims, and not by the specific details presented in the description and illustration of the embodiments herein.

[0313] (References) RRC TS38.331 v16.1.0 LPP TS37.355 v16.1.0 NRPPa TS38.455 v16.0.0

[0314] [Table 5A]

[0315] [Table 5B] [Explanation of symbols]

[0316] 101UE 102 Core Network 105 Network RAN ​​Entities 106 Base Station 110 base station 114 Backhaul 201 Request Message 202 Configuration Message 210 Equipment 220 User Equipment 230 Network Entities 235 Network Entities 240 Wireless Communication Systems 301 Measurement report 302 Configure DL-RS Response 402 Configuration Message 600 Computer Systems 602 Processor 604 Communication Infrastructure 606 Main Memory 608 Secondary Memory 610 Communication Interface 612 Communication Channels

Claims

1. An apparatus (210) for transmitting and receiving data in a wireless communication system, the apparatus (210) being a user equipment, the apparatus (210) being configured to receive a message from a further network entity, the device (210) is configured to determine one or more transmit spatial filters and / or one or more receive spatial filters and / or one or more beam directions, the one or more transmit spatial filters and / or the one or more receive spatial filters being identical to or derived by the device (210) from at least one initial spatial filter, and the one or more beam directions being identical to or derived by the device (210) from at least one initial beam direction, The apparatus (210) is configured to apply the one or more transmit spatial filters and / or the one or more beam directions to one or more uplink resources, and / or the apparatus (210) is configured to apply the one or more receive spatial filters and / or the one or more beam directions to one or more downlink resources, 4. An apparatus, comprising: an antenna for receiving a signal from a first antenna; a second antenna for receiving a signal from a second antenna; and a second antenna for receiving a signal from the first antenna. The message contains the following information in a global or local coordinate system: the azimuth angle, and the azimuth uncertainty indicating the uncertainty range of the azimuth angle, and Elevation angle and elevation uncertainty, which shows the elevation angle and the uncertainty range of the elevation angle Including direction angle information indicating the device (210) is configured to determine an actual launch azimuth angle using the azimuth angle and the azimuth angle uncertainty of the direction angle information of the message; The apparatus (210) is configured to determine an actual launch zenith angle using the elevation angle and the elevation angle uncertainty of the direction angle information of the message.

2. the device (210) is configured to reduce a search space for locating the actual launch azimuth angle using the azimuth angle and the azimuth angle uncertainty of the direction angle information of the message; 2. The apparatus of claim 1, wherein the apparatus is configured to use the elevation angle and the elevation angle uncertainty of the direction angle information of the message to reduce a search space for finding the actual launch zenith angle.

3. The device (210) defines a search space for searching the actual launch azimuth. [φAOA-ΔφAOA / 2,φAOA+ΔφAOA / 2] is configured to reduce φAOA denotes the azimuth angle of the direction angle information of the message, and ΔφAOA denotes the azimuth angle uncertainty of the direction angle information of the message; The device (210) defines a search space for searching the actual launch zenith angle. [θAOA-ΔθAOA / 2, θAOA+ΔθAOA / 2] is configured to reduce 3. The apparatus of claim 2, wherein θAOA denotes the elevation angle of the orientation angle information of the message, and ΔθAOA denotes the elevation angle uncertainty of the orientation angle information of the message.

4. The message contains the following information in map projection area or relative geodetic position in global or local coordinate system: X, Y, Z unit values, X value, Y value, Z-score, Uncertainty or reliability of the area; Type of uncertainty or confidence in the area or one or more of the following location information: One or more latitudes, One or more longitudes, altitude, Differential latitude, Differential longitude, differential altitude, Uncertainty or Reliability 4. The apparatus (210) of claim 1, further comprising information indicative of one or more of:

5. 5. The apparatus (210) of claim 1, wherein the apparatus (210) is configured to receive a further information message before or after the message, the further information message indicating whether the one or more uplink resources or one or more uplink resource sets and / or the one or more downlink resources or one or more downlink resource sets originate from and / or are targeted to a reference device.

6. Said further information message contains the following parameters: one or more identifiers of the one or more uplink resources and / or the one or more uplink resource sets associated with a reference device; one or more identifiers of the one or more downlink resources and / or the one or more downlink resource sets associated with the reference device; location information of the reference device; Orientation information of the reference device 6. The apparatus (210) of claim 5, comprising one or more of:

7. The apparatus (210) of claim 5 or 6, wherein the apparatus (210) is configured to use the further information message to estimate line-of-sight or non-line-of-sight channel conditions between the apparatus (210) and the reference device.

8. The apparatus (210) according to any one of claims 1 to 7, wherein in response to the message, the apparatus (210) is configured to provide an indication to the further network entity about applying the one or more transmit spatial filters and / or the one or more receive spatial filters and / or the one or more beam directions.

9. The apparatus (210) of claim 8, wherein the indication of applying the one or more transmit spatial filters and / or the one or more receive spatial filters and / or the one or more beam directions comprises one or more identifiers of the one or more uplink resources and / or the one or more downlink resources, or an indication of success of applying a configuration, or information about an applied beam direction in the apparatus (210) for transmission and / or reception.

10. The apparatus (210) according to any one of claims 1 to 9, wherein the message includes validity information for one or more identifiers of the one or more uplink resources and / or for the one or more uplink resource sets, and / or information on one or more identifiers of one or more downlink resources and / or one or more downlink resource sets, to indicate the at least one initial spatial filter or the at least one initial beam direction for the reception of one or more uplink resources.

11. The apparatus (210) of claim 10, wherein the validity information comprises an indication of a time for which the configuration is valid and / or information about one or more time periods during which the configuration is applicable.

12. A method performed by an apparatus (210) for transmitting and receiving data in a wireless communication system, the apparatus (210) being a user equipment, the method comprising: receiving, by the device (210), a message from a further network entity; determining, by the device (210), one or more transmit spatial filters and / or one or more receive spatial filters and / or one or more beam directions, the one or more transmit spatial filters and / or the one or more receive spatial filters being identical to or derived by the device (210) from at least one initial spatial filter, and the one or more beam directions being identical to or derived by the device (210) from at least one initial beam direction; applying, by the device (210), the one or more transmit spatial filters and / or the one or more beam directions to one or more uplink resources; and / or applying, by the device (210), the one or more receive spatial filters and / or the one or more beam directions to one or more downlink resources; 13. The method of claim 12, wherein the message includes direction angle information indicating a beam direction for at least one of the one or more beam directions, The message contains the following information in a global or local coordinate system: the azimuth angle, and the azimuth uncertainty indicating the uncertainty range of the azimuth angle; and Elevation angle and elevation uncertainty, which shows the elevation angle and the uncertainty range of the elevation angle Including directional angle information indicating The method includes determining an actual launch azimuth angle using the azimuth angle and the azimuth angle uncertainty of the direction angle information of the message; The method includes determining an actual launch zenith angle using the elevation angle and the elevation angle uncertainty of the direction angle information of the message.

13. The method includes using the azimuth angle and the azimuth angle uncertainty of the direction angle information of the message to reduce a search space for finding the actual launch azimuth angle; 13. The method of claim 12, comprising using the elevation angle and the elevation angle uncertainty of the direction angle information of the message to reduce a search space for looking for the actual launch zenith angle.

14. The method further comprises: scaling the search space for finding the actual launch azimuth. [φAOA-ΔφAOA / 2,φAOA+ΔφAOA / 2] to φAOA denotes the azimuth angle of the direction angle information of the message, and ΔφAOA denotes the azimuth angle uncertainty of the direction angle information of the message; The method further comprises: scope the search space for searching the actual launch zenith angle. [θAOA-ΔθAOA / 2, θAOA+ΔθAOA / 2] to 14. The method of claim 13, wherein θAOA denotes the elevation angle of the orientation angle information in the message, and ΔθAOA denotes the elevation angle uncertainty of the orientation angle information in the message.

15. A non-transitory computer program product comprising a computer readable medium storing instructions that, when executed on a computer, perform the method of any one of claims 12 to 14.

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