WO2024026753A1 - Mesure de positionnement à travers des sauts de fréquence - Google Patents

Mesure de positionnement à travers des sauts de fréquence Download PDF

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Publication number
WO2024026753A1
WO2024026753A1 PCT/CN2022/110108 CN2022110108W WO2024026753A1 WO 2024026753 A1 WO2024026753 A1 WO 2024026753A1 CN 2022110108 W CN2022110108 W CN 2022110108W WO 2024026753 A1 WO2024026753 A1 WO 2024026753A1
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WO
WIPO (PCT)
Prior art keywords
reference signal
positioning reference
frequency hops
signal frequency
prs
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PCT/CN2022/110108
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English (en)
Inventor
Hyun-Su Cha
Ryan Keating
Tao Tao
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Nokia Shanghai Bell Co., Ltd.
Nokia Solutions And Networks Oy
Nokia Technologies Oy
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Application filed by Nokia Shanghai Bell Co., Ltd., Nokia Solutions And Networks Oy, Nokia Technologies Oy filed Critical Nokia Shanghai Bell Co., Ltd.
Priority to PCT/CN2022/110108 priority Critical patent/WO2024026753A1/fr
Publication of WO2024026753A1 publication Critical patent/WO2024026753A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

Definitions

  • Various example embodiments relate to the field of telecommunication and in particular, to a method, device, apparatus and computer readable storage medium of a positioning measurement across frequency hops.
  • positioning enhancement includes positioning support for reduced capability (RedCap) user equipment (UE) with reduced bandwidth support.
  • a frequency bandwidth resource is a critical factor to positioning accuracy.
  • PRS positioning reference signal
  • PRS processing window PRS measurements on one or more PRS frequency hops within the PPW may not be obtained. Measurements for all PRS frequency hops may have to be repeated.
  • example embodiments of the present disclosure provide a solution of a positioning measurement across PRS frequency hops.
  • a first device comprising at least one processor; and at least one memory storing instructions that, when executed by the at least one processor, cause the first device at least to: receive a configuration for a positioning reference signal measurement across positioning reference signal frequency hops; obtain, based on the configuration, the positioning reference signal measurement across a first number of consecutive positioning reference signal frequency hops; and report the positioning reference signal measurement.
  • a second device comprising at least one processor; and at least one memory storing instructions that, when executed by the at least one processor, cause the second device at least to: generate a configuration for a positioning reference signal measurement across positioning reference signal frequency hops; and transmit the configuration to a first device for determination of the positioning reference signal measurement across a first number of consecutive positioning reference signal frequency hops.
  • a third device comprises at least one processor; and at least one memory storing instructions that, when executed by the at least one processor, cause the third device at least to: receive, from a first device, a positioning reference signal measurement across a first number of consecutive positioning reference signal frequency hops; and position the first device based on the positioning reference signal measurements.
  • a method for communication comprises: receiving, at a first device, a configuration for a positioning reference signal measurement across positioning reference signal frequency hops; obtaining, based on the configuration, the positioning reference signal measurement across a first number of consecutive positioning reference signal frequency hops; and reporting the positioning reference signal measurement.
  • a method for communication comprises: generating, at a second device, a configuration for a positioning reference signal measurement across positioning reference signal frequency hops; and transmitting the configuration to a first device for determination of the positioning reference signal measurement across a first number of consecutive positioning reference signal frequency hops.
  • a method for communication comprises: receiving, at a third device and from a first device, a positioning reference signal measurement across a first number of consecutive positioning reference signal frequency hops; and positioning the first device based on the positioning reference signal measurements.
  • an apparatus for communication comprises: means for receiving, at a first device, a configuration for a positioning reference signal measurement across positioning reference signal frequency hops; means for obtaining, based on the configuration, the positioning reference signal measurement across a first number of consecutive positioning reference signal frequency hops; and means for reporting the positioning reference signal measurement.
  • an apparatus for communication comprises: means for generating, at a second device, a configuration for a positioning reference signal measurement across positioning reference signal frequency hops; and means for transmitting the configuration to a first device for determination of the positioning reference signal measurement across a first number of consecutive positioning reference signal frequency hops.
  • an apparatus for communication comprises: means for receiving, at a third device and from a first device, a positioning reference signal measurement across a first number of consecutive positioning reference signal frequency hops; and means for positioning the first device based on the positioning reference signal measurements.
  • a non-transitory computer readable medium comprising program instructions that, when executed by an apparatus, cause the apparatus to perform at least the method according to any of the fourth to sixth aspects.
  • a computer program comprising instructions, which, when executed by an apparatus, cause the apparatus to perform at least the method according to any of the fourth to sixth aspects.
  • Fig. 1 illustrates an example communication network in which embodiments of the present disclosure may be implemented
  • Fig. 2 illustrates a diagram illustrating an example PRS frequency hopping and stitching procedure in which embodiments of the present disclosure may be implemented
  • Fig. 3 illustrates a flowchart illustrating a process of communication for a positioning measurement across frequency hops according to some embodiments of the present disclosure
  • Fig. 4A illustrates a diagram illustrating an example PRS measurement configuration according to some embodiments of the present disclosure
  • Fig. 4B illustrates a diagram illustrating another example PRS measurement configuration according to some embodiments of the present disclosure
  • Fig. 5 illustrates a flowchart of an example method implemented at a first device according to some embodiments of the present disclosure
  • Fig. 6 illustrates a flowchart of an example method implemented at a second device according to some embodiments of the present disclosure
  • Fig. 7 illustrates a flowchart of an example method implemented at a third device according to some embodiments of the present disclosure
  • Fig. 8 illustrates a simplified block diagram of a device that is suitable for implementing embodiments of the present disclosure.
  • Fig. 9 illustrates a block diagram of an example computer readable medium in accordance with some embodiments of the present disclosure.
  • references in the present disclosure to “one embodiment, ” “an embodiment, ” “an example embodiment, ” and the like indicate that the embodiment described may include a particular feature, structure, or characteristic, but it is not necessary that every embodiment includes the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to affect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
  • first and second etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and similarly, a second element could be termed a first element, without departing from the scope of example embodiments.
  • the term “and/or” includes any and all combinations of one or more of the listed terms.
  • circuitry may refer to one or more or all of the following:
  • circuitry also covers an implementation of merely a hardware circuit or processor (or multiple processors) or portion of a hardware circuit or processor and its (or their) accompanying software and/or firmware.
  • circuitry also covers, for example and if applicable to the particular claim element, a baseband integrated circuit or processor integrated circuit for a mobile device or a similar integrated circuit in server, a cellular network device, or other computing or network device.
  • the term “communication network” refers to a network following any suitable communication standards, such as Long Term Evolution (LTE) , LTE-Advanced (LTE-A) , Wideband Code Division Multiple Access (WCDMA) , High-Speed Packet Access (HSPA) , Narrow Band Internet of Things (NB-IoT) and so on.
  • LTE Long Term Evolution
  • LTE-A LTE-Advanced
  • WCDMA Wideband Code Division Multiple Access
  • HSPA High-Speed Packet Access
  • NB-IoT Narrow Band Internet of Things
  • the communications between a terminal device and a network device in the communication network may be performed according to any suitable generation communication protocols, including, but not limited to, the first generation (1G) , the second generation (2G) , 2.5G, 2.75G, the third generation (3G) , the fourth generation (4G) , 4.5G, the fifth generation (5G) , the future sixth generation (6G) communication protocols, and/or any other protocols either currently known or to be developed in the future.
  • Embodiments of the present disclosure may be applied in various communication systems. Given the rapid development in communications, there will of course also be future type communication technologies and systems with which the present disclosure may be embodied. It should not be seen as limiting the scope of the present disclosure to only the aforementioned system.
  • the term “network device” refers to a node in a communication network via which a terminal device accesses the network and receives services therefrom.
  • the network device may refer to a base station (BS) or an access point (AP) , for example, a node B (NodeB or NB) , an evolved NodeB (eNodeB or eNB) , a new radio (NR) next generation NodeB (also referred to as a gNB) , a Remote Radio Unit (RRU) , a radio header (RH) , a remote radio head (RRH) , a relay, a low power node such as a femto, a pico, and so forth, depending on the applied terminology and technology.
  • An RAN split architecture comprises a gNB-CU (Centralized unit, hosting RRC, SDAP and PDCP) controlling a plurality of gNB-DUs (Distributed unit, hosting RLC, MAC and PHY) .
  • terminal device refers to any end device that may be capable of wireless communication.
  • a terminal device may also be referred to as a communication device, user equipment (UE) , a Subscriber Station (SS) , a Portable Subscriber Station, a Mobile Station (MS) , or an Access Terminal (AT) .
  • UE user equipment
  • SS Subscriber Station
  • MS Mobile Station
  • AT Access Terminal
  • the terminal device may include, but not limited to, a mobile phone, a cellular phone, a smart phone, voice over IP (VoIP) phones, wireless local loop phones, a tablet, a wearable terminal device, a personal digital assistant (PDA) , portable computers, desktop computer, image capture terminal devices such as digital cameras, gaming terminal devices, music storage and playback appliances, vehicle-mounted wireless terminal devices, wireless endpoints, mobile stations, laptop-embedded equipment (LEE) , laptop-mounted equipment (LME) , USB dongles, smart devices, wireless customer-premises equipment (CPE) , an Internet of Things (IoT) device, a watch or other wearable, a head-mounted display (HMD) , a vehicle, a drone, a medical device and applications (e.g., remote surgery) , an industrial device and applications (e.g., a robot and/or other wireless devices operating in an industrial and/or an automated processing chain contexts) , a consumer electronics device, a device operating on commercial and/
  • a user equipment apparatus such as a cell phone or tablet computer or laptop computer or desktop computer or mobile IoT device or fixed IoT device
  • This user equipment apparatus can, for example, be furnished with corresponding capabilities as described in connection with the fixed and/or the wireless network node (s) , as appropriate.
  • the user equipment apparatus may be the user equipment and/or or a control device, such as a chipset or processor, configured to control the user equipment when installed therein. Examples of such functionalities include the bootstrapping server function and/or the home subscriber server, which may be implemented in the user equipment apparatus by providing the user equipment apparatus with software configured to cause the user equipment apparatus to perform from the point of view of these functions/nodes.
  • RedCap UE In Release 17 NR work item, considered maximum bandwidth of RedCap UE was 20 MHz for frequency range 1 (FR1) and the considered maximum bandwidth of RedCap UE will be 5 MHz in Release 18.
  • NR positioning was introduced in Release 16 NR targeting ⁇ 3m positioning accuracy and was enhanced in Release 17 with target accuracy ⁇ 30 cm. Evaluated performance assuming 100 MHz bandwidth for FR1 may be worse in a narrow band system due to a low sampling rate. Furthermore, it is being considered that RedCap UE may be equipped with only a single antenna as a baseline.
  • RedCap UE may support NR positioning functionality, but the core and performance requirements have not been specified for the positioning related measurements performed by RedCap UE, and no evaluation was performed to see how the reduced capabilities of RedCap UE might impact eventual position accuracy.
  • one of main features on reducing latency is supporting UE to measure PRS outside of measurement gap (MG) by introducing a PPW.
  • the UE may receive downlink (DL) data or reference signals while receiving a PRS within the PPW.
  • DL downlink
  • two different UE capabilities were defined and the detailed agreement is given below.
  • ⁇ Capability 1 PRS prioritization over all other DL signals/channels in all symbols inside the window.
  • ⁇ Capability 1A The DL signals/channels from all DL CCs (per UE) are affected.
  • ⁇ Capability 1B Only the DL signals/channels from a certain band/CC are affected.
  • ⁇ Capability 2 PRS prioritization over other DL signals/channels only in the PRS symbols inside the PPW.
  • ⁇ UE may be able to declare a PRS processing capability outside MG.
  • PRS-related conditions are expected to be specified, with the following to be down-selected:
  • the UE determines higher priority for other DL signals/channels over the PRS measurement/processing, the UE is not expected to measure/process DL PRS which is applicable to all of the above capability options.
  • ⁇ Option 1 Based on indication/configuration from a serving network device;
  • Option 2 Other options (e.g., implicit, signaling from location management function (LMF) , etc. ) .
  • LMF location management function
  • UE may indicate support of two priority states.
  • PRS is higher priority than all PDCCH/PDSCH/CSI-RS.
  • PRS is lower priority than all PDCCH/PDSCH/CSI-RS.
  • UE may indicate support of three priority states.
  • PRS is higher priority than all PDCCH/PDSCH/CSI-RS.
  • PRS is lower priority than PDCCH and URLLC PDSCH and higher priority than other PDSCH/CSI-RS.
  • PRS is lower priority than all PDCCH/PDSCH/CSI-RS.
  • UE may indicate support of single priority state.
  • PRS is higher priority than all PDCCH/PDSCH/CSI-RS.
  • PRS measurements on one or more PRS frequency hops within the PPW may not be obtained.
  • One PRS frequency hop may be a part of the bandwidth of a PRS that UE can measure.
  • One PRS frequency hop may be defined in a DL BWP if bandwidth of the DL BWP is less than the bandwidth of the PRS.
  • a potential low priority on PRS measurements within a PPW may cause the UE to fail to measure certain PRS frequency hop (s) among consecutive PRS frequency hops successfully. Measurements for all PRS frequency hops may have to be repeated.
  • embodiments of the present disclosure provide a solution of a PRS measurement across PRS frequency hops.
  • a first device receives, from a second device, a configuration for a PRS measurement across PRS frequency hops. Based on the configuration, the first device performs the PRS measurement across a first number of consecutive PRS frequency hops and reports the PRS measurement to a third device. In this way, sufficient measurements for PRS frequency hopping and stitching may be ensured and RedCap UE positioning performance may be enhanced.
  • Fig. 1 illustrates a schematic diagram of an example communication network 100 in which embodiments of the present disclosure can be implemented.
  • the communication network 100 may involve a first device 110 and a second device 120 serving the first device 110.
  • the network 100 may include any suitable number of first and second devices adapted for implementing embodiments of the present disclosure.
  • the first device 110 may be a terminal device
  • the second device 120 may be a network device.
  • the first device 110 is a terminal device and the second device 120 is a network device. It is to be understood that, in other embodiments, the first device 110 may be a network device and the second device 120 may be a terminal device. In other words, the principles and spirit of the present disclosure may be applied to both uplink and downlink transmissions.
  • the first device 110 and the second device 120 may communicate with each other via a wireless communication channel.
  • the communications within the network 100 may conform to any suitable standard including, but not limited to, LTE, LTE-evolution, LTE-advanced (LTE-A) , wideband code division multiple access (WCDMA) , code division multiple access (CDMA) and global system for mobile communications (GSM) and the like.
  • LTE Long Term Evolution
  • WCDMA wideband code division multiple access
  • CDMA code division multiple access
  • GSM global system for mobile communications
  • the communications may be performed according to any generation communication protocols either currently known or to be developed in the future.
  • Examples of the communication protocols include, but not limited to, the first generation (1G) , the second generation (2G) , 2.5G, 2.75G, the third generation (3G) , the fourth generation (4G) , 4.5G, the fifth generation (5G) or the sixth generation (6G) communication protocols.
  • the network 100 may also comprise a third device 130.
  • the third device 130 may be a device having a positioning function.
  • the third device 130 may be a location server.
  • the third device 130 may be a location management function (LMF) .
  • LMF location management function
  • a frequency bandwidth resource is a critical factor to a positioning accuracy.
  • a typical way is a PRS frequency hopping and stitching procedure.
  • Fig. 2 illustrates a diagram 200 illustrating an example PRS frequency hopping and stitching procedure in which embodiments of the present disclosure may be implemented.
  • PRSs may be periodically transmitted over a wideband H.
  • PPWs 211, 212 and 213 are configured for PRS measurements in different PRS frequency hops.
  • a time gap is configured between two of the PPWs for BWP switching.
  • the PPW 211 is configured for a PRS measurement 221 in DL BWP #1.
  • the PPW 212 is configured for a PRS measurement 222 in DL BWP #2.
  • the PPW 213 is configured for a PRS measurement 223 in DL BWP #3.
  • the DL BWPs #1, #2 and #3 are different parts of the wideband H.
  • the measurements 221, 222 and 223 obtained on multiple measurement occasions are stitched for positioning.
  • a configured priority rule on PRS measurement within a PPW should be followed.
  • the PRS frequency hopping and stitching may not always be guaranteed.
  • PRS stitching may not be possible.
  • measurement operations for all PRS frequency hops may be repeated. It leads to unnecessary latency for positioning.
  • embodiments of the present disclosure provide a solution for a PRS measurement across PRS frequency hops to enable PRS frequency hopping and stitching. More details will be described below in connection with Fig. 3.
  • Fig. 3 illustrates a flowchart illustrating a process 300 of communication for a positioning measurement across frequency hops according to some embodiments of the present disclosure.
  • the process 300 will be described with reference to Fig. 1.
  • the process 300 may involve the first device 110, the second device 120 and the third device 130 as illustrated in Fig. 1.
  • the first device 110 may report 310 its PRS processing capability. In some embodiments, the first device 110 may report 311 its PRS processing capability to the second device 120. In some embodiments, the first device 110 may report 312 its PRS processing capability to the third device 130. It is to be understood that the first device 110 may report its PRS processing capability to both of the second device 120 and the third device 130. In some embodiments, the first device 110 may report information regarding whether the first device 110 is normal UE or RedCap UE. It is to be understood that the first device 110 may report any other suitable information of PRS processing capability.
  • the first device 110 may receive 320 a configuration for a PRS measurement across PRS frequency hops. Based on the PRS processing capability of the first device 110, the second device 120 or the third device 130 may decide to configure the first device 110 to perform a PRS measurement across PRS frequency hops.
  • the second device 120 may transmit 321, to the first device 110, the configuration for the PRS measurement across PRS frequency hops. In some embodiments, the second device 120 may transmit the configuration via a radio resource control (RRC) message. In some embodiments, the second device 120 may transmit the configuration via downlink control information (DCI) . In some embodiments, the second device 120 may transmit the configuration via a medium access control control element (MAC CE) .
  • RRC radio resource control
  • DCI downlink control information
  • MAC CE medium access control control element
  • the third device 130 may transmit 322, to the first device 110, the configuration for the PRS measurement across PRS frequency hops. In some embodiments, the third device 130 may transmit the configuration via a LTE positioning protocol message. It is to be understood that any other suitable ways for transmission of the configuration are also feasible.
  • a first PRS frequency hop in the PRS frequency hops is in a first BWP and a second PRS frequency hop in the PRS frequency hops is in a second BWP different from the first BWP.
  • different PRS frequency hops in the PRS frequency hops may be in different BWPs.
  • two or more of the PRS frequency hops may be in the same BWP. The present disclosure does not limit this aspect.
  • the second device 120 may configure one or more PPWs for the first device 110. In some embodiments, the second device 120 may configure a single PPW for each configured BWP (e.g., DL BWP) of the first device 110.
  • Fig. 4A illustrates a diagram 400A illustrating an example PRS measurement configuration according to some embodiments of the present disclosure. As shown in Fig. 4A, PPWs 411, 412 and 413 are configured for BWPs 421, 422 and 423 respectively. A time gap is configured between two of the PPWs for BWP switching. In the PPW 411, a PRS measurement is performed over a frequency hop 431 in the BWP 421. In the PPW 412, a PRS measurement is performed over a frequency hop 432 in the BWP 422. In the PPW 413, a PRS measurement is performed over a frequency hop 433 in the BWP 423.
  • the second device 120 may configure a single PPW for multiple BWPs of the first device 110.
  • the first device 110 may be configured with N PPWs for M BWPs, where N ⁇ 1 and M ⁇ 1.
  • Fig. 4B illustrates a diagram 400B illustrating another example PRS measurement configuration according to some embodiments of the present disclosure.
  • a single PPW 440 is configured for BWPs 451, 452 and 453.
  • a time gap is configured between two of the PPWs for BWP switching.
  • a PRS measurement is performed over a frequency hop 461 in the BWP 451.
  • a PRS measurement is performed over a frequency hop 462 in the BWP 452.
  • a PRS measurement is performed over a frequency hop 463 in the BWP 453.
  • the second device 120 may configure a priority rule (for convenience, also referred to a first priority rule herein) for a PPW.
  • a priority rule for convenience, also referred to a first priority rule herein
  • the second device 120 may configure a PRS-priority indicator for the PPW.
  • the priority rule of a PPW may indicate that reception of a PRS has a higher priority than reception of a DL signal other than the PRS in the PPW.
  • the DL signal may be a physical downlink control channel (PDCCH) , a physical downlink shared channel (PDSCH) , channel state information-reference signal (CSI-RS) or any other suitable DL signals.
  • PDCCH physical downlink control channel
  • PDSCH physical downlink shared channel
  • CSI-RS channel state information-reference signal
  • the priority rule of a PPW may indicate that reception of the PRS has a lower priority than reception of the DL signal other than the PRS in the PPW.
  • a priority on reception of a PRS in one PPW may be different from that in another PPW.
  • the second device 120 may configure another priority rule (for convenience, also referred to a second priority rule herein) for overriding the first priority rule.
  • the second priority rule may assume or indicate that reception of a PRS has a higher priority than reception of a DL signal other than the PRS.
  • the second priority rule may assume or indicate that reception of a PRS has a lower priority than reception of a DL signal other than the PRS.
  • the configuration may comprise a desired number (for convenience, also referred to as a first number and denoted as K herein) of consecutive PRS frequency hops for a PRS measurement.
  • the desired number may be a requested number of consecutive PRS frequency hops that the first device 110 should measure and report a combined positioning measurement.
  • the configuration may comprise the minimum number (for convenience, also referred to as a second number and denoted as K’ herein) of PRS frequency hops for a PRS measurement. In some embodiments, 0 ⁇ K’ ⁇ K.
  • the first device 110 may apply the first priority rule configured per PPW.
  • the configuration may comprise any combination of the above information and any other suitable information.
  • the first device 110 may request 330 support of the second device 120 so that the first device 110 performs PRS frequency hopping behavior.
  • the third device 130 may request 330’ the support of the second device 120.
  • the first device 110 may be indicated by the second device 120 to perform BWP switching.
  • a timer for BWP switching may be configured associated with PPW occasions.
  • the third device 130 may transmit 340, to the first device 110, a request for obtaining a PRS measurement across PRS frequency hops.
  • the request may indicate the first device 110 to obtain a PRS measurement across the K consecutive PRS frequency hops.
  • the first number may be associated with a positioning accuracy. In other words, the first number may be determined based on a required accuracy requirement.
  • the first device 110 may obtain 350 the PRS measurement across K consecutive PRS frequency hops based on the configuration.
  • the first device 110 may determine whether a set of PRS measurements (for convenience, also referred to as a first set of PRS measurements herein) over K’ consecutive PRS frequency hops are successfully performed based on the first priority rule.
  • a set of PRS measurements for convenience, also referred to as a first set of PRS measurements herein
  • the first device 110 may determine that the PRS measurement over the PRS frequency hop is successfully performed.
  • the first device 110 may determine that a PRS measurement over the PRS frequency hop is successfully performed.
  • the first device 110 is expected to have received the PRS. In some embodiments, if a PRS measurement is processed without error, the first device 110 may determine that a PRS measurement over the PRS frequency hop is successfully performed. It is to be understood that any other suitable ways are also feasible.
  • the first device 110 may perform another set of PRS measurements (for convenience, also referred to as a second set of PRS measurements herein) over K-K’ (for convenience, also referred to as a third number herein) of consecutive PRS frequency hops based on the second priority rule.
  • the second priority rule assumes that reception of a PRS has a higher priority than reception of a DL signal other than the PRS.
  • the first device 110 may be allowed to ignore the first priority rule for the next K-K’ PRS frequency hops or the remaining PRS frequency hops so as to complete PRS frequency hopping.
  • the first device 110 may be allowed to ignore the first priority rule for the next K-K’ PRS frequency hops or the remaining PRS frequency hops so as to complete PRS frequency hopping.
  • the first device 110 may override the first priority rule with the second priority rule for the next K-K’ PRS frequency hops or the remaining PRS frequency hops.
  • the first device 110 may assume that reception of a PRS has a higher priority than other DL signals for the next K-K’ PRS frequency hops or the remaining PRS frequency hops. In this way, the first and second sets of PRS measurements over the K consecutive PRS frequency hops may be obtained.
  • the first device 110 may obtain a single PRS measurement across the K consecutive PRS frequency hops. So far, a PRS frequency hopping and stitching procedure is enabled.
  • the second device 120 may dynamically indicate or control K’to the first device 110 by at least one of DCI or MAC-CE.
  • the second device 120 may configure a PRS as low priority on purpose in case the second device 120 wants to transmit high-priority PDSCH/PDCCH. For example, if the first device 110 has measured 3 PRS frequency hops but needs to drop the 4th PRS frequency hop by following the first priority rule configured per PPW, it may be needed to repeat the whole measurement if the first device 110 needs to measure four consecutive PRS frequency hops and a waste of resources of wireless network may be caused.
  • the first device 120 may apply the second priority rule for a set of PRS frequency hops (i.e., one or more PRS frequency hops) that are configured with a low priority on reception of a PRS based on the first priority rule and are located between two PRS frequency hops configured with a high priority on reception of the PRS based on the first priority rule.
  • the second priority rule assumes that reception of a PRS has a higher priority than reception of a DL signal other than the PRS.
  • the first device 120 may put high priority on a certain PRS frequency hop configured with low priority of PRS which is located in between two PRS frequency hops configured with high priority of PRS.
  • the first device 110 may need to determine whether to apply the second priority rule while it is measuring PRS across multiple PPWs. In this way, the first device 110 may obtain K consecutive PRS frequency hopping measurements.
  • the first device 120 may apply the second priority rule for the first K consecutive PRS frequency hops.
  • the second priority rule assumes that reception of a PRS has a higher priority than reception of a DL signal other than the PRS.
  • the first device 120 may assume that a PRS has a higher priority than other DL signal reception for the first K PRS frequency hops. That is, a PRS has high priority for the first K consecutive PRS frequency hops. In this way, the first device 110 may also obtain K consecutive PRS frequency hopping measurements.
  • the first device 110 may apply the second priority rule for the remaining PRS frequency hops.
  • the second priority rule assumes that reception of a PRS has a lower priority than reception of a DL signal other than the PRS.
  • the first device 110 may assume that a PRS has a low priority than other DL signals in the remaining PRS frequency hops.
  • the first device 110 may drop PRSs in the remaining PRS frequency hops. In some embodiments, if the PRS measurement is not obtained across the K consecutive PRS frequency hops, the first device 110 may apply the second priority rule for the remaining PRS frequency hops. In these embodiments, the second priority rule assumes that reception of a PRS has a lower priority than reception of a DL signal other than the PRS. In other words, if the first device 110 finds that it is not able to obtain K consecutive PRS frequency hops, the first device 110 may drop PRSs in the remaining PRS frequency hops, or may assume that reception of PRS has a low priority in the remaining PRS frequency hops.
  • the first device 110 may drop PRSs in the remaining PRS frequency hops. In addition, the first device 110 may report a stitching failure to the third device 130 or the second device 120.
  • the first device 110 may report 360, to the third device 130, the PRS measurement across the K consecutive PRS frequency hops. In some embodiments, the first device 110 may also report 370, to the third device 130, information regarding whether a PRS frequency hopping and stitching procedure is performed for K consecutive PRS frequency hops. In some embodiments, the first device 110 may report 371, to the third device 130, information regarding the number of PRS frequency hops for which PRS measurements have been successfully performed.
  • the first device 110 may report 372, to the second device 120, at least one of an identity (ID) of the PRS frequency hop or an ID of a PPW associated with the PRS frequency hop. In some embodiments, the first device 110 may report 373, to the third device 130, at least one of the ID of the PRS frequency hop or the ID of the PPW. In some embodiments where a single PPW is configured per BWP, the first device 110 may report, to at least one of the second device 120 or the third device 130, an ID of a PPW for which no PRS measurements have been successfully performed.
  • the first device 110 may report, to at least one of the second device 120 or the third device 130, an ID of a PRS frequency hop for which no PRS measurements have been successfully performed. It is to be understood that the first device 110 may report any combination of the above information and any other suitable information.
  • the third device 130 may estimate 380 a location of the first device 110.
  • the location estimation may be carried out in any suitable ways and the present disclosure does not limit this aspect.
  • a PRS frequency hopping and stitching may be enabled and RedCap UE positioning measurement may be supported. It is to be noted that the process 300 as shown in Fig. 3 is merely an example, and may have additional or less operations.
  • Fig. 5 illustrates a flowchart of an example method 500 implemented at a first device according to some embodiments of the present disclosure. For the purpose of discussion, the method 500 will be described with reference to Fig. 1.
  • the first device 110 receives a configuration for a PRS measurement across PRS frequency hops.
  • the first device 110 may receive the configuration from at least one of the second device 120 or the third device 130.
  • a first PRS frequency hop in the PRS frequency hops is in a first BWP
  • a second PRS frequency hop in the PRS frequency hops is in a second BWP different from the first BWP.
  • the configuration may comprise at least one of the following: the first number of consecutive PRS frequency hops; a second number of consecutive PRS frequency hops, the second number being less than or equal to the first number; a first priority rule between a PRS and a DL signal other than the PRS for a PPW; or a second priority rule for overriding the first priority rule.
  • the first device 110 may receive the configuration by at least one of the following: a RRC message; DCI; or a LTE positioning protocol message; or a MAC CE.
  • the first device 110 may receive, from the third device 130, a request for obtaining the PRS measurement across PRS frequency hops.
  • the first device 110 obtains, based on the configuration, the PRS measurement across a first number of consecutive PRS frequency hops.
  • the first device 110 may perform a second set of PRS measurements over a third number of consecutive PRS frequency hops based on the second priority rule, the first number being a sum of the second number and the third number. In some embodiments, if the number of remaining PRS frequency hops after the first set of PRS measurements is less than the first number, the first device 110 may perform the second set of PRS measurements. In these embodiments, the second priority rule assumes that reception of the PRS has a higher priority than reception of the downlink signal other than the PRS. Then the first device 110 may obtain the PRS measurement based on the first and second sets of PRS measurements.
  • the first device 110 may determine that the first set of PRS measurements over the second number of consecutive PRS frequency hops are successfully performed based on at least one of the following: quality of a PRS measurement being above threshold quality; no PRS being dropped based on the first priority rule; the first device being expected to have received the PRS; or processed PRS measurement without error.
  • the first device 110 may apply the second priority rule for a set of PRS frequency hops, the set of PRS frequency hops being configured with a low priority on reception of a PRS based on the first priority rule and being located between two PRS frequency hops configured with a high priority on reception of the PRS based on the first priority rule.
  • the first device 110 may apply the second priority rule for the first number of consecutive PRS frequency hops. In these embodiments, the second priority rule assumes that reception of the PRS has a higher priority than reception of the downlink signal other than the PRS.
  • the first device 110 may apply the second priority rule for remaining PRS frequency hops. In some embodiments, if the PRS measurement is not obtained across the first number of consecutive PRS frequency hops, the first device 110 may drop PRSs in remaining PRS frequency hops or apply the second priority rule for the remaining PRS frequency hops. In these embodiments, the second priority rule assumes that reception of the PRS has a lower priority than reception of the downlink signal other than the PRS.
  • the first device 110 reports the PRS measurement.
  • the first device 110 may report the PRS measurement to at least one of the second device 120 or the third device 130.
  • the first device 110 may further report at least one of the following: information regarding whether a PRS frequency hopping and stitching procedure is performed for the first number of consecutive PRS frequency hops; information regarding the number of PRS frequency hops for which PRS measurements have been successfully performed; or at least one of an ID of a PRS frequency hop or an ID of a PPW for which no PRS measurements have been successfully performed.
  • a PRS frequency hopping and stitching may be enabled and a positioning related measurement may be reported.
  • Fig. 6 illustrates a flowchart of an example method 600 implemented at a second device according to some embodiments of the present disclosure. For the purpose of discussion, the method 600 will be described with reference to Fig. 1.
  • the second device 120 generates, at a configuration for a PRS measurement across PRS frequency hops.
  • a first PRS frequency hop in the PRS frequency hops is in a first BWP
  • a second PRS frequency hop in the PRS frequency hops is in a second BWP different from the first BWP.
  • the second device 120 transmits the configuration to the first device 110 for determination of the PRS measurement across a first number of consecutive PRS frequency hops.
  • the configuration may comprise at least one of the following: the first number of consecutive PRS frequency hops; a second number of consecutive PRS frequency hops, the second number being less than or equal to the first number; a first priority rule between a PRS and a DL signal other than the PRS for a PPW; or a second priority rule for overriding the first priority rule.
  • the second device 120 may transmit the configuration by at least one of the following: a RRC message; DCI; a LTE positioning protocol message; or a MAC CE.
  • the second device 120 may receive, from the first device 110, at least one of an ID of a PRS frequency hop or an ID of a PPW for which no PRS measurements have been successfully performed.
  • a PRS measurement across PRS frequency hops may be configured to support a consecutive PRS frequency hopping.
  • Fig. 7 illustrates a flowchart of an example method 700 implemented at a third device according to some embodiments of the present disclosure. For the purpose of discussion, the method 700 will be described with reference to Fig. 1.
  • the third device 130 receives, from the first device 110, a PRS measurement across a first number of consecutive PRS frequency hops.
  • the third device 130 positions the first device 110 based on the PRS measurements.
  • the third device 130 may transmit, to the first device 110, a request for obtaining the PRS measurement across PRS frequency hops.
  • the third device 130 may further receive at least one of the following: information regarding whether a PRS frequency hopping and stitching procedure is performed for the first number of consecutive PRS frequency hops; or information regarding the number of PRS frequency hops for which PRS measurements have been successfully performed.
  • a PRS measurement across a desired number of consecutive PRS frequency hops may be used for positioning, and positioning accuracy may be enhanced.
  • an apparatus capable of performing the method 500 may comprise means for performing the respective steps of the method 500.
  • the means may be implemented in any suitable form.
  • the means may be implemented in a circuitry or software module.
  • the apparatus comprises: means for receiving, at a first device, a configuration for a positioning reference signal measurement across positioning reference signal frequency hops; means for obtaining, based on the configuration, the positioning reference signal measurement across a first number of consecutive positioning reference signal frequency hops; and means for reporting the positioning reference signal measurement.
  • the configuration comprises at least one of the following: the first number of consecutive positioning reference signal frequency hops; a second number of consecutive positioning reference signal frequency hops, the second number being less than or equal to the first number; a first priority rule between a positioning reference signal and a downlink signal other than the positioning reference signal for a positioning reference signal processing window; or a second priority rule for overriding the first priority rule.
  • the means for obtaining the positioning reference signal measurement comprises: means for, in accordance with a determination that a first set of positioning reference signal measurements over the second number of consecutive positioning reference signal frequency hops are successfully performed based on the first priority rule, performing a second set of positioning reference signal measurements over a third number of consecutive positioning reference signal frequency hops based on the second priority rule, the first number being a sum of the second number and the third number; and means for obtaining the positioning reference signal measurement based on the first and second sets of positioning reference signal measurements.
  • the second priority rule assumes that reception of the positioning reference signal has a higher priority than reception of the downlink signal other than the positioning reference signal.
  • the means for performing the second set of positioning reference signal measurements comprises: means for, in accordance with a determination that the number of remaining positioning reference signal frequency hops is less than the first number, performing the second set of positioning reference signal measurements.
  • the apparatus further comprises: means for determining that the first set of positioning reference signal measurements over the second number of consecutive positioning reference signal frequency hops are successfully performed based on at least one of the following: quality of a positioning reference signal measurement being above threshold quality; no positioning reference signal being dropped based on the first priority rule; the first device being expected to have received the positioning reference signal; or processed positioning reference signal measurement without error.
  • the means for receiving the configuration comprises means for receiving the configuration by at least one of the following: a radio resource control message; downlink control information; a long-term evolution positioning protocol message; or a medium access control control element.
  • the means for obtaining the positioning reference signal measurement comprises: means for applying the second priority rule for a set of positioning reference signal frequency hops, the set of positioning reference signal frequency hops being configured with a low priority on reception of a positioning reference signal based on the first priority rule and being located between two positioning reference signal frequency hops configured with a high priority on reception of the positioning reference signal based on the first priority rule.
  • the second priority rule assumes that reception of the positioning reference signal has a higher priority than reception of the downlink signal other than the positioning reference signal.
  • the means for obtaining the positioning reference signal measurement comprises: means for applying the second priority rule for the first number of consecutive positioning reference signal frequency hops.
  • the second priority rule assumes that reception of the positioning reference signal has a higher priority than reception of the downlink signal other than the positioning reference signal.
  • the apparatus further comprises: means for, in accordance with a determination that the positioning reference signal measurement is successfully obtained across the first number of consecutive positioning reference signal frequency hops, applying the second priority rule for remaining positioning reference signal frequency hops.
  • the apparatus further comprises: means for, in accordance with a determination that the positioning reference signal measurement is not obtained across the first number of consecutive positioning reference signal frequency hops, dropping positioning reference signals in remaining positioning reference signal frequency hops; or applying the second priority rule for the remaining positioning reference signal frequency hops.
  • the second priority rule assumes that reception of the positioning reference signal has a lower priority than reception of the downlink signal other than the positioning reference signal.
  • the apparatus further comprises: means for receiving a request for obtaining the positioning reference signal measurement across positioning reference signal frequency hops.
  • the apparatus further comprises at least one of the following: means for reporting information regarding whether a positioning reference signal frequency hopping and stitching procedure is performed for the first number of consecutive positioning reference signal frequency hops; means for reporting information regarding the number of positioning reference signal frequency hops for which positioning reference signal measurements have been successfully performed; or means for reporting at least one of an identity of a positioning reference signal frequency hop or an identity of a positioning reference signal processing window for which no positioning reference signal measurements have been successfully performed.
  • an apparatus capable of performing the method 600 may comprise means for performing the respective steps of the method 600.
  • the means may be implemented in any suitable form.
  • the means may be implemented in a circuitry or software module.
  • the apparatus comprises: means for generating, at a second device, a configuration for a positioning reference signal measurement across positioning reference signal frequency hops; and means for transmitting the configuration to a first device for determination of the positioning reference signal measurement across a first number of consecutive positioning reference signal frequency hops.
  • the configuration comprises at least one of the following: the first number of consecutive positioning reference signal frequency hops; a second number of consecutive positioning reference signal frequency hops, the second number being less than or equal to the first number; a first priority rule between a positioning reference signal and a downlink signal other than the positioning reference signal for a positioning reference signal processing window; or a second priority rule for overriding the first priority rule.
  • the means for transmitting the configuration comprises means for transmitting the configuration by at least one of the following: a radio resource control message; downlink control information; a long-term evolution positioning protocol message; or a medium access control control element.
  • the apparatus further comprises means for receiving, from the first device, at least one of an identity of a positioning reference signal frequency hop or an identity of a positioning reference signal processing window for which no positioning reference signal measurements have been successfully performed.
  • a first positioning reference signal frequency hop in the positioning reference signal frequency hops is in a first bandwidth part, and a second positioning reference signal frequency hop in the positioning reference signal frequency hops is in a second bandwidth part different from the first bandwidth part.
  • an apparatus capable of performing the method 700 may comprise means for performing the respective steps of the method 700.
  • the means may be implemented in any suitable form.
  • the means may be implemented in a circuitry or software module.
  • the apparatus comprises: means for receiving, at a third device and from a first device, a positioning reference signal measurement across a first number of consecutive positioning reference signal frequency hops; and means for positioning the first device based on the positioning reference signal measurements.
  • the apparatus further comprises: means for transmitting, to the first device, a request for obtaining the positioning reference signal measurement across positioning reference signal frequency hops.
  • the apparatus further comprises at least one of the following: means for receiving information regarding whether a positioning reference signal frequency hopping and stitching procedure is performed for the first number of consecutive positioning reference signal frequency hops; or means for receiving information regarding the number of positioning reference signal frequency hops for which positioning reference signal measurements have been successfully performed.
  • Fig. 8 is a simplified block diagram of a device 800 that is suitable for implementing embodiments of the present disclosure.
  • the device 800 may be provided to implement the communication device, for example the first device 110, the second device 120 or the third device 130 as shown in Fig. 1.
  • the device 800 includes one or more processors 810, one or more memories 820 coupled to the processor 810, and one or more communication modules 840 coupled to the processor 810.
  • the communication module 840 is for bidirectional communications.
  • the communication module 840 has at least one antenna to facilitate communication.
  • the communication interface may represent any interface that is necessary for communication with other network elements.
  • the processor 810 may be of any type suitable to the local technical network and may include one or more of the following: general purpose computers, special purpose computers, microprocessors, digital signal processors (DSPs) and processors based on multicore processor architecture, as non-limiting examples.
  • the device 800 may have multiple processors, such as an application specific integrated circuit chip that is slaved in time to a clock which synchronizes the main processor.
  • the memory 820 may include one or more non-volatile memories and one or more volatile memories.
  • the non-volatile memories include, but are not limited to, a Read Only Memory (ROM) 824, an electrically programmable read only memory (EPROM) , a flash memory, a hard disk, a compact disc (CD) , a digital video disk (DVD) , and other magnetic storage and/or optical storage.
  • the volatile memories include, but are not limited to, a random access memory (RAM) 822 and other volatile memories that will not last in the power-down duration.
  • a computer program 830 includes computer executable instructions that are executed by the associated processor 810.
  • the program 830 may be stored in the ROM 820.
  • the processor 810 may perform any suitable actions and processing by loading the program 830 into the RAM 820.
  • the embodiments of the present disclosure may be implemented by means of the program 830 so that the device 800 may perform any process of the disclosure as discussed with reference to Figs. 1 to 7.
  • the embodiments of the present disclosure may also be implemented by hardware or by a combination of software and hardware.
  • the program 830 may be tangibly contained in a computer readable medium which may be included in the device 800 (such as in the memory 820) or other storage devices that are accessible by the device 800.
  • the device 800 may load the program 830 from the computer readable medium to the RAM 822 for execution.
  • the computer readable medium may include any types of tangible non-volatile storage, such as ROM, EPROM, a flash memory, a hard disk, CD, DVD, and the like.
  • Fig. 9 shows an example of the computer readable medium 900 in form of CD or DVD.
  • the computer readable medium has the program 830 stored thereon.
  • various embodiments of the present disclosure may be implemented in hardware or special purpose circuits, software, logic or any combination thereof. Some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software which may be executed by a controller, microprocessor or other computing device. While various aspects of embodiments of the present disclosure are illustrated and described as block diagrams, flowcharts, or using some other pictorial representations, it is to be understood that the block, apparatus, system, technique or method described herein may be implemented in, as non-limiting examples, hardware, software, firmware, special purpose circuits or logic, general purpose hardware or controller or other computing devices, or some combination thereof.
  • the present disclosure also provides at least one computer program product tangibly stored on a non-transitory computer readable storage medium.
  • the computer program product includes computer-executable instructions, such as those included in program modules, being executed in a device on a target real or virtual processor, to carry out the method 500 or 600 or 700 as described above with reference to Figs. 5 to 7.
  • program modules include routines, programs, libraries, objects, classes, components, data structures, or the like that perform particular tasks or implement particular abstract data types.
  • the functionality of the program modules may be combined or split between program modules as desired in various embodiments.
  • Machine-executable instructions for program modules may be executed within a local or distributed device. In a distributed device, program modules may be located in both local and remote storage media.
  • Program code for carrying out methods of the present disclosure may be written in any combination of one or more programming languages. These program codes may be provided to a processor or controller of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the program codes, when executed by the processor or controller, cause the functions/operations specified in the flowcharts and/or block diagrams to be implemented.
  • the program code may execute entirely on a machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
  • the computer program codes or related data may be carried by any suitable carrier to enable the device, apparatus or processor to perform various processes and operations as described above.
  • Examples of the carrier include a signal, computer readable medium, and the like.
  • the computer readable medium may be a computer readable signal medium or a computer readable storage medium.
  • a computer readable medium may include but not limited to an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. More specific examples of the computer readable storage medium would include an electrical connection having one or more wires, a portable computer diskette, a hard disk, a random access memory (RAM) , a read-only memory (ROM) , an erasable programmable read-only memory (EPROM or Flash memory) , an optical fiber, a portable compact disc read-only memory (CD-ROM) , an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
  • non-transitory is a limitation of the medium itself (i.e., tangible, not a signal) as opposed to a limitation on data storage persistency (e.g., RAM vs. ROM) .

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

Selon des modes de réalisation, la présente invention concerne une mesure de positionnement à travers des sauts de fréquence. Selon un aspect de la présente invention, un premier dispositif reçoit une configuration pour une mesure de PRS à travers des sauts de fréquence de PRS. Le premier dispositif obtient, sur la base de la configuration, la mesure de PRS à travers un premier nombre de sauts de fréquence de PRS consécutifs et rapporte la mesure de PRS. De cette manière, une procédure de saut et d'assemblage de fréquence PRS peut être activée.
PCT/CN2022/110108 2022-08-03 2022-08-03 Mesure de positionnement à travers des sauts de fréquence WO2024026753A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109479255A (zh) * 2016-07-15 2019-03-15 高通股份有限公司 用于使用窄带定位参考信号来定位设备的技术
CN109923842A (zh) * 2016-11-16 2019-06-21 高通股份有限公司 无线网络中用于支持定位参考信号的多种配置的系统和方法
US20220030390A1 (en) * 2020-07-22 2022-01-27 Qualcomm Incorporated Positioning signal frequency hop aggregation
US20220109466A1 (en) * 2020-10-06 2022-04-07 Qualcomm Incorporated Determination of capability of user equipment to measure a downlink positioning reference signal across a plurality of frequency hops
WO2022119782A1 (fr) * 2020-12-03 2022-06-09 Qualcomm Incorporated Agrégation de signal de positionnement et signal supplémentaire

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109479255A (zh) * 2016-07-15 2019-03-15 高通股份有限公司 用于使用窄带定位参考信号来定位设备的技术
CN109923842A (zh) * 2016-11-16 2019-06-21 高通股份有限公司 无线网络中用于支持定位参考信号的多种配置的系统和方法
US20220030390A1 (en) * 2020-07-22 2022-01-27 Qualcomm Incorporated Positioning signal frequency hop aggregation
US20220109466A1 (en) * 2020-10-06 2022-04-07 Qualcomm Incorporated Determination of capability of user equipment to measure a downlink positioning reference signal across a plurality of frequency hops
WO2022119782A1 (fr) * 2020-12-03 2022-06-09 Qualcomm Incorporated Agrégation de signal de positionnement et signal supplémentaire

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