COORDINATION OF CROWD SENSING USING RADIO FREQUENCY SENSING FROM MULTIPLE WIRELESS NODES

    公开(公告)号:US20230417861A1

    公开(公告)日:2023-12-28

    申请号:US17848582

    申请日:2022-06-24

    CPC classification number: G01S5/0242 H04W64/003 H04W24/10

    Abstract: Techniques are provided for coordinating radio frequency (RF) sensing by a plurality of wireless devices. Wireless devices obtain RF sensing coordination information that includes orthogonality information for transmission and reception of RF sensing signals to reduce or eliminate interference between RF sensing by different devices. The orthogonality information may be provided by a server, another wireless device, or a group of wireless devices. The orthogonality information is used by a wireless device to transmit and receive RF sensing signals that are orthogonal to RF sensing signals transmitted and received by other nearby wireless devices. The orthogonality information may be for orthogonality in a spatial domain, time domain, frequency domain, code domain, or some combination of these. The wireless devices perform RF sensing operations based at least in part on the RF sensing coordination information and report the RF sensing results.

    SYSTEMS AND METHODS FOR SUPPORTING CONTROL PLANE LOCATION IN A FIFTH GENERATION WIRELESS NETWORK

    公开(公告)号:US20220408221A1

    公开(公告)日:2022-12-22

    申请号:US17823068

    申请日:2022-08-29

    Abstract: Methods and techniques are described for supporting location services for a user equipment (UE) in a Fifth Generation wireless network using a Location Management Function (LMF) based control plane (CP) location solution. The LMF serves as the main anchor point for location support instead of an Access and Mobility Management Function (AMF). The LMF may be in either a serving Public Land Mobile Network (PLMN) for a UE or in a Home PLMN for a roaming UE. The LMF may obtain location information for a UE via an AMF from a Next Generation Radio Access Network or the UE and may interact with a Gateway Mobile Location Center to receive location requests from and return location information to an external client. The LMF solution may be more efficient and require less implementation than an AMF based CP location solution.

    SYSTEMS AND METHODS TO IMPROVE REGISTRATION OF A USER EQUIPMENT WITH SATELLITE WIRELESS ACCESS

    公开(公告)号:US20220322268A1

    公开(公告)日:2022-10-06

    申请号:US17707434

    申请日:2022-03-29

    Abstract: With satellite wireless access, a network node (e.g. AMF) may receive a NAS request from a UE, forwarded by a RAN node (e.g. gNB), where the NAS request includes a tracking area (TA) identity (TAI) indicating a TA in which the UE is located. The network node may then determine that the TAI is not part of a registration area for the UE, although the NAS request is not a NAS Registration. The network node may then instigate an immediate Registration of the UE, e.g., by rejecting the NAS request and sending an indication to the UE to Register, or a deferred Registration, e.g., by performing a NAS procedure for the NAS request and sending an indication to the UE to Register. The AMF may alternatively perform an implicit Registration of the UE, where the AMF performs Registration without receiving a Registration Request from the UE.

    LOCATION OF A MOBILE DEVICE WITH 5G WIRELESS ACCESS USING SUPL

    公开(公告)号:US20220256335A1

    公开(公告)日:2022-08-11

    申请号:US17660994

    申请日:2022-04-27

    Abstract: Techniques described herein provide means by which cell information indicative of a location of a UE may be conveyed to a location server over a 5G NR data connection using a SUPL message with an LTE cell ID data field. In some embodiments, for example, the UE may include the Cell ID of a LTE neighbor cell or information regarding a 5G NR serving cell, such as a portion of the 5G NR Cell ID or a reserved value or sequence identifying the 5G NR serving cell. The techniques may be applicable to the Secure User Plane Location (SUPL) solution defined by OMA and may enable a UE and a SUPL Location Platform (SLP) to support location of the UE using a version of SUPL without explicit support of 5G NR wireless access.

    SYSTEM AND METHODS FOR POWER EFFICIENT POSITIONING OF A MOBILE DEVICE

    公开(公告)号:US20220103976A1

    公开(公告)日:2022-03-31

    申请号:US17477228

    申请日:2021-09-16

    Abstract: During a positioning session between a user equipment (UE) and a location server, the location server may send the base station a request to suspend the Radio Resource Control (RRC) connection with the UE. For example, the location server may send a request to the base station recommending suspension of the connection or may provide an indication of the amount of time during which position related messages between the UE and the location server are not expected. The base station may determine whether to suspend the connection with the UE, thereby placing the UE in an inactive state based on the information provided. The base station may further determine whether to suspend the connection based on data activity of the UE. While in an inactive state, the UE and base station store UE connection context, which may be used to quickly resume the connection.

    EFFICIENT POSITIONING ENHANCEMENT FOR DYNAMIC SPECTRUM SHARING

    公开(公告)号:US20210352610A1

    公开(公告)日:2021-11-11

    申请号:US17323650

    申请日:2021-05-18

    Abstract: Techniques are provided for transmitting Positioning Reference Signals (PRSs) in cells supporting two different Radio Access Technologies (RATs), where the two RATs (e.g. 4G LTE and 5G NR) employ dynamic spectrum sharing. To avoid interference between the PRSs and between the two RATs, the PRSs may be time aligned to the same set of PRS positioning occasions, and may be assigned orthogonal characteristics such as different muting patterns, orthogonal code sequences, different frequency shifts or different frequency hopping. UEs supporting both RATs may be enabled to measure PRSs for both RATs. UEs supporting only one RAT (e.g. 4G LTE) may be enabled to measure PRSs for just this RAT. A location server such as an LMF, E-SMLC or SLP may provide assistance data to UEs, and request measurements from UEs, for PRSs in one or both RATs.

    SYSTEMS AND METHODS FOR SUPPORTING FIXED TRACKING AREAS AND FIXED CELLS FOR MOBILE SATELLITE WIRELESS ACCESS

    公开(公告)号:US20210144669A1

    公开(公告)日:2021-05-13

    申请号:US17090734

    申请日:2020-11-05

    Abstract: Access, mobility management and regulatory services are supported for satellite access to a 5G core network. A coverage area, e.g., a country or region, is divided into fixed virtual cells and fixed tracking areas. The UE receives configuration information for fixed cells and fixed tracking areas associated with a serving PLMN. The fixed cells and the fixed tracking areas are defined, independently of each other, as fixed geographic areas. A position of the UE is used to determine a fixed serving cell and/or fixed tracking area for the UE. A service operation for the UE is enabled for the serving PLMN based on the fixed serving cell or the fixed tracking area. A fixed cell may be associated with an overlapping fixed tracking area by assigning a color code to the tracking area and appending the color code to an ID for the fixed cell.

    TERRESTRIAL WIRELESS POSITIONING IN LICENSED AND UNLICENSED FREQUENCY BANDS

    公开(公告)号:US20210091851A1

    公开(公告)日:2021-03-25

    申请号:US17118401

    申请日:2020-12-10

    Abstract: Disclosed are techniques for determining a distance (or range) between a first wireless entity and a second wireless entity. In an aspect, the first wireless entity transmits a first positioning reference signaling (PRS) signal to the second wireless entity at a first time, where the first PRS signal is received by the second wireless entity at a second time, and receives a second PRS signal from the second wireless entity at a third time, where the second PRS signal is transmitted by the second wireless entity at a fourth time. The first wireless entity enables the distance to be determined by a location computing entity, for example, by a location server, based on the first, second, third, and fourth times. The first wireless entity may be a mobile device or a base station and the second wireless entity may be the other of the mobile device or base station.

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